(50+x)/2=70

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Solution for (50+x)/2=70 equation: 



(50+x)/2=70

We move all terms to the left:

(50+x)/2-(70)=0

We add all the numbers together, and all the variables

(x+50)/2-70=0

We multiply all the terms by the denominator


(x+50)-70*2=0

We add all the numbers together, and all the variables

(x+50)-140=0

We get rid of parentheses

x+50-140=0

We add all the numbers together, and all the variables

x-90=0

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

x=90

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