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OpenStudy (anonymous):
Solve the equation for x. 3x = –4y
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OpenStudy (anonymous):
Isolate x. 3x = -4y Divide both sides by 3. x = -4/3y
OpenStudy (anonymous):
We divide by 3 because... 3 and x are being multiplied: 3x = 3 * x We want to find x alone, so we have to undo 3x... 3(x) /x = 3
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