X+x/2+(x/2-20)=140

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Solution for X+x/2+(x/2-20)=140 equation: 



X+X/2+(X/2-20)=140

We move all terms to the left:

X+X/2+(X/2-20)-(140)=0

We get rid of parentheses

X+X/2+X/2-20-140=0

We multiply all the terms by the denominator


X*2+X+X-20*2-140*2=0

We add all the numbers together, and all the variables

2X+X*2-320=0

Wy multiply elements

2X+2X-320=0

We add all the numbers together, and all the variables

4X-320=0

We move all terms containing X to the left, all other terms to the right

4X=320

X=320/4

X=80

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