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Question

Solve for x:
x47+x+45=x35
  1. 295
  2. 16
  3. 15
  4. 296


Solution

The correct option is A 295
The given equation is,
x47+x+45=x35.
5(x4)+7(x+4)35=x35 5x20+7x+2835=x35           12x+835=x35        12x+8=x35×35
        12x+8=7(x3)        12x+8=7x21      12x7x=218                 5x=29                   x=295

Hence, the value of x is 295

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