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example 1. Solution by Elimination. Chapter 7.1. Solve the system. 2009 PBLPathways. Solve the system. Solve the system. If necessary, interchange two equations or use multiplication to make the coefficient of x in the first equation a 1. E1 E2. Solve the system.
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example 1 Solution by Elimination Chapter 7.1 Solve the system 2009 PBLPathways
Solve the system If necessary, interchange two equations or use multiplication to make the coefficient of x in the first equation a 1. E1 E2
Solve the system Add a multiple of the first equation to each of the following equations so that the coefficients of x in the second and third equations become 0. -2 R1 + R2 R2
Solve the system Add a multiple of the first equation to each of the following equations so that the coefficients of x in the second and third equations become 0. -2 E1 + E2 E2
Solve the system Add a multiple of the first equation to each of the following equations so that the coefficients of x in the second and third equations become 0. -2 E1 + E2 E2
Solve the system Add a multiple of the first equation to each of the following equations so that the coefficients of x in the second and third equations become 0. -3 R1 + R3 R3
Solve the system Add a multiple of the first equation to each of the following equations so that the coefficients of x in the second and third equations become 0. -3 E1 + E3 E3
Solve the system Add a multiple of the first equation to each of the following equations so that the coefficients of x in the second and third equations become 0. -3 E1 + E3 E3
Solve the system Add a multiple of the first equation to each of the following equations so that the coefficients of x in the second and third equations become 0. -3 E1 + E3 E3
Solve the system Multiply (or divide) both sides of the second equation by a number that makes the coefficient of y in the second equation equal to 1. -1 R2 R2
Solve the system Multiply (or divide) both sides of the second equation by a number that makes the coefficient of y in the second equation equal to 1. -1 E2 E2
Solve the system Multiply (or divide) both sides of the second equation by a number that makes the coefficient of y in the second equation equal to 1. -1 E2 E2
Solve the system Add a multiple of the (new) second equation to the (new) third equation so that the coefficient of y in the newest third equation becomes 0. -4 R2 + R3 R3
Solve the system Add a multiple of the (new) second equation to the (new) third equation so that the coefficient of y in the newest third equation becomes 0. -4 E2 + E3 E3
Solve the system Add a multiple of the (new) second equation to the (new) third equation so that the coefficient of y in the newest third equation becomes 0. -4 E2 + E3 E3
Solve the system Add a multiple of the (new) second equation to the (new) third equation so that the coefficient of y in the newest third equation becomes 0. -4 E2 + E3 E3
Solve the system Multiply (or divide) both sides of the third equation by a number that makes the coefficient of z in the third equation equal to 1. This gives the solution for z in the system of equations. E3 E3
Solve the system Multiply (or divide) both sides of the third equation by a number that makes the coefficient of z in the third equation equal to 1. This gives the solution for z in the system of equations. E3 E3
Solve the system Use the solution for z to solve for y in the second equation. Then substitute values for y and z to solve for x in the first equation.
Solve the system Use the solution for z to solve for y in the second equation. Then substitute values for y and z to solve for x in the first equation.
Solve the system Use the solution for z to solve for y in the second equation. Then substitute values for y and z to solve for x in the first equation.
Solve the system Use the solution for z to solve for y in the second equation. Then substitute values for y and z to solve for x in the first equation.
Solve the system Use the solution for z to solve for y in the second equation. Then substitute values for y and z to solve for x in the first equation.
Solve the system Use the solution for z to solve for y in the second equation. Then substitute values for y and z to solve for x in the first equation.
Solve the system Use the solution for z to solve for y in the second equation. Then substitute values for y and z to solve for x in the first equation.
Solve the system Use the solution for z to solve for y in the second equation. Then substitute values for y and z to solve for x in the first equation.
Solve the system Use the solution for z to solve for y in the second equation. Then substitute values for y and z to solve for x in the first equation.
Solve the system Does the solution solve the system?