Work Step by Step
Multiply the 1st equation by 3 3x + 3y = 21 Add to the second equation 3x + 3y = 21 2x - 3y = -1 5x = 20 x = 4 Plug x = 4 into x + y = 7 4 + y = 7 y = 3 Solution is (4, 3)
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