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What is 9+3/4x=7/8x-10

Write in least common multiple of denominator.

1 Answer

4 votes

LCM(4, 8) = 8


(3)/(4)=(3\cdot2)/(4\cdot2)=(6)/(8)


9+(3)/(4)x=(7)/(8)x-10\ \ \ \ |-9\\\\(6)/(8)x=(7)/(8)x-19\ \ \ \ |-(7)/(8)x\\\\-(1)/(8)x=-19\ \ \ \ |\cdot(-8)\\\\x=152

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