X+x-10+x+10+x/2=140

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Solution for X+x-10+x+10+x/2=140 equation: 



X+X-10+X+10+X/2=140

We move all terms to the left:

X+X-10+X+10+X/2-(140)=0

We add all the numbers together, and all the variables

3X+X/2-140=0

We multiply all the terms by the denominator


3X*2+X-140*2=0

We add all the numbers together, and all the variables

X+3X*2-280=0

Wy multiply elements

X+6X-280=0

We add all the numbers together, and all the variables

7X-280=0

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

7X=280

X=280/7

X=40

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