Back to Solve systems of two linear equations in two variables algebraically — Problem 1 · Task Set 12

Exercises: Solving Systems Algebraically — Substitution, Elimination, Inspection

Work through each section in order. For systems, an answer is an ordered pair $(x, y)$ that makes both equations true. Show your work and verify your solutions.

Grade 8·20 problems·~35 min·Common Core Math - Grade 8·standard·8-ee-c-8b

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Recall / Warm-Up

Is $(2, 5)$ a solution of the equation $3x + y = 11$ ?

Yes, because $3(2) + 5 = 11$

No, because $3(2) + 5 = 16$

Yes, because $x = 2$ is positive

No, because $5 \neq 11$