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Systems by elimination
Solve the system. Find the values of x and y.
2x + y = 7
x − y = -1
All difficulties
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Accuracy
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Current streak
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Total answers
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Correct
What does the generator do?
It builds a 2×2 linear system in standard form with a whole-number solution and asks for x and y.
How to solve
Make the coefficients of one variable match, add or subtract the equations to remove it, solve, then find the other variable.