(91+x)/2=87

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Solution for (91+x)/2=87 equation: 



(91+x)/2=87

We move all terms to the left:

(91+x)/2-(87)=0

We add all the numbers together, and all the variables

(x+91)/2-87=0

We multiply all the terms by the denominator


(x+91)-87*2=0

We add all the numbers together, and all the variables

(x+91)-174=0

We get rid of parentheses

x+91-174=0

We add all the numbers together, and all the variables

x-83=0

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

x=83

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