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Question

Solve for x:
(7x−1)−(x−1−x2)=(5x+12)

A
8
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B
4
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C
2
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D
1
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Solution

The correct option is C 2
(7x1)(x1x2)=5x+12LCM=22(7x1)(2x(1x))=10x+114x2(2x1+x)=10x+114x22x+1x=10x+111x1=10x+1x=2

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