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OpenStudy (anonymous):
what is the solution of the system. use substitution 2x - y = -7 4x - y = -4 a. -1.5, 4 b. 1.5, 10 c. 4, -1.5 d. -1.5, -2
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OpenStudy (anonymous):
Solve for one letter. y=2x+7 4x-(2x+7)=-4 solve for x
OpenStudy (chosenmatt):
what number would x and y have to be to make the equation true?
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