More Lessons for Grade 9

Math Worksheets

Videos, worksheets, solutions, and activities to help Algebra 1 students learn how to solve systems of linear equations by substitution.

1. Rearrange one equation to represent x in terms of y.

2. Substitute this expression for x into the other equation to create an equation with only the variable y.

3. Solve this equation to find y.

4. Substitute y into either equation to find the value of x.

Solving Systems of Equation by Substitution

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