MathKook

Solving a System of Equations by Substitution

20 Q's Randomly Generated · Easy → Hard
Solve a system of 2 linear equations by isolating one variable and substituting into the other equation. Each worksheet includes regular, no-solution, infinitely-many, and fraction-solution problems.

EASY — one equation already solved for a variable.
MEDIUM — isolate a variable with coefficient ±1, then substitute.
HARD — fraction bar required (all coefficients > 1).

How to Use

  1. Generate Worksheet — creates a new randomized set of 20 problems.
  2. Answer Key — shows step-by-step solutions matching the last worksheet.
  3. Print — opens your browser's print dialog for the current page(s).
  4. Save PDF — downloads a PDF of all pages to your device.