Solving systems by elimination worksheet
Multiply one or both equations so a variable cancels when you add them. Also called the addition method, which is exactly what it is.
Select your difficulty
Pick more than one for a sheet that mixes them.
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Sigma Prep · sigmaprep.io/worksheets Name Systems by EliminationDate Period Solve each system by elimination. Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep |
Sigma Prep · sigmaprep.io/worksheets Name Systems by EliminationAnswer keyVersion 1Date Period Solve each system by elimination. Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep |
How to do these
Solve and
- The x terms already match.
- Subtract the second from the first to remove x.
- 3y = 12, so y = 4 and x = 4.
The answer is .
Where students go wrong
Adding when you should subtract. The coefficients have to be opposites for adding to cancel them, so matching coefficients means subtracting. Writing the signs out before you combine prevents most of it.
Also called addition method, elimination method, linear combination or systems of equations.