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Question

Solve the following:
3x4−14(x−20)=x4+32
The value of x is

A
112
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B
126
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C
108
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D
102
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Solution

The correct option is C 108
3x414(x20)=x4 +32
multiply by 4 both sides we get
3x 1(x20) = x +32(4)3x x +20 = x + 128x = 108

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