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OpenStudy (anonymous):
Solve 7x - 4 = 5x + 15 for x.
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OpenStudy (anonymous):
9.5
OpenStudy (anonymous):
Or 19/2
OpenStudy (nikato):
7x-4=5x+15. Add 4 to both sides +4. +4 ---------------- 7x=5x+19. Subtract 5x on both sides -5x. -5x -------------- 2x=19. Divide both sides by 2 So x=?
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