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Question

Solve the equation 5x+22x+3=127............(1)

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Solution

Let us multiply both sides of the given equation by 2x+3
5x+22x+3×(2x+3)=127×(2x+3)
5x+2=127×(2x+3)
Again multiplying both sides of the equation by 7. This gives
7×(5x+2)=7×127×(2x+3)
7×(5x+2)=12×(2x+3)............ (2)
35x+14=24x+36
35x24x=3614
11x=22
x=2211=2

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