Back to Solve systems of linear equations — Problem 5 · Task Set 42

Exercises: Solving Systems of Linear Equations

Show all work. Verify your solutions by substituting into both original equations unless otherwise stated.

Grade 9·21 problems·~35 min·Common Core Math - HS Algebra·standard·hsa-rei-c-6
Work through problems with immediate feedback
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Fluency Practice

Solve each system and verify your solution in both original equations.

1.

Use elimination to solve the system — you must multiply before any variable cancels. What is the value of yy?

2x+3y=72x + 3y = 7
5x2y=85x - 2y = 8