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BELL-WORK. Solve for x : 2 – x = 4 a x + 5 4 a ( x + 5) = 2 – x 4 ax + 20 a = 2 – x 4 ax + x = 2 – 20 a x (4 a + 1) = 2 – 20 a x = 2 – 20 a 4 a + 1. A Set of Simultaneous Equations.
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BELL-WORK Solve for x: 2 – x = 4a x + 5 4a(x + 5) = 2 – x 4ax + 20a = 2 – x 4ax + x = 2 – 20a x(4a + 1) = 2 – 20a x = 2 – 20a 4a + 1
A Set of Simultaneous Equations A set of simultaneous equations is formed when two or more linear equations are joined together. Example:
A Set of Simultaneous Equations A set of simultaneous equations is formed when two or more linear equations are joined together. Example: *Be sure to use curly braces to indicate the to equations are being paired together.
A Set of Simultaneous Equations A set of simultaneous equations is formed when two or more linear equations are joined together. Example: Note: A set of simultaneous equations can also be referred to as a system of linear equations.
Solving a Set of Simultaneous Equations Solve the following set of simultaneous equations:
Solving a Set of Simultaneous Equations Solve the following set of simultaneous equations: If y = 2x – 3 ANDy = x – 1, what must also be true based on the transitive property?
Solving a Set of Simultaneous Equations Solve the following set of simultaneous equations: By the transitive property of equality: 2x – 3 = x – 1
Solving a Set of Simultaneous Equations Solve the following set of simultaneous equations: x = 2
Solving a Set of Simultaneous Equations Solve the following set of simultaneous equations: y = ?
Solving a Set of Simultaneous Equations Solve the following set of simultaneous equations: y = 1
Solving a Set of Simultaneous Equations Solve the following set of simultaneous equations: As much as possible, write your answer as an ordered pair: (2,1)