(x+120)/2=100

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Solution for (x+120)/2=100 equation: 



(x+120)/2=100

We move all terms to the left:

(x+120)/2-(100)=0

We multiply all the terms by the denominator


(x+120)-100*2=0

We add all the numbers together, and all the variables

(x+120)-200=0

We get rid of parentheses

x+120-200=0

We add all the numbers together, and all the variables

x-80=0

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

x=80

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