Grade 8 · Expressions & Equations

Intro to systems of equations

100 problems in this skill, each with a solver-verified answer key. Answers are checked the moment you submit — with a hint if you want one and a worked solution afterwards.

What the problems look like

A few statements from this skill. Answers, hints and worked solutions live in the practice session.

Standard
Use elimination to solve the system $3x + 6y = 30$ and $3x - 6y = 6$ . What is the value of $x$ ?
Standard
Use elimination to solve the system $4x + 6y = 56$ and $4x - 6y = -16$ . What is the value of $x$ ?
Standard
Use elimination to solve the system $2x + 6y = 28$ and $2x - 6y = -20$ . What is the value of $x$ ?

Problems shown under their original terms: Generated (template, solver-computed).

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