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Systems by substitution
Solve the system. Find the values of x and y.
y = 2x − 1
x + y = 5
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Accuracy
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Correct
What does the generator do?
It builds a 2×2 linear system with one equation solved for y and a whole-number solution, and asks for x and y.
How to solve
Replace y in the second equation with the expression from the first, solve the resulting one-variable equation, then substitute back.