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Question

If 13(7−4x)−14(11−5x)+1=x−12(3x−7), then x=

A
1
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B
9
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C
6
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D
7
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Solution

The correct option is D 7
13(74x)14(115x)+1=x12(3x7)LCM=124(74x)3(115x)+12=12x6(3x7)2816x33+15x+12=12x18x+427x=426x5x=35x=7

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