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Systems of Equations Summary

Systems of Equations Summary. Solve for one variable in at least one equation, if necessary. Step 1. Substitute the resulting expression into the other equation. Solve that equation to get the value of the first variable. Substitute that value into one of the original equations and solve.

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Systems of Equations Summary

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  1. Systems of EquationsSummary

  2. Solve for one variable in at least one equation, if necessary. Step 1 Substitute the resulting expression into the other equation. Solve that equation to get the value of the first variable. Substitute that value into one of the original equations and solve. Write the values from steps 3 and 4 as an ordered pair, (x, y), and check.

  3. Write the system so that like terms are aligned. Step 1 Eliminate one of the variables and solve for the other variable. Step 2 Substitute the value of the variable into one of the original equations and solve for the other variable. Step 3 Solving Systems of Equations by Elimination Write the answers from Steps 2 and 3 as an ordered pair, (x, y), and check. Step 4

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