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OpenStudy (anonymous):
Slove: 7x+12.4=5x-7.6?
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OpenStudy (igreen):
7x + 12.4 = 5x - 7.6 Subtract 12.4 to both sides: 7x = 5x - 20 Subtract 5x to both sides: 2x = -20 Divide 2 to both sides: x = -10
OpenStudy (anonymous):
x=-10
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