(x+40)/2=30

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Solution for (x+40)/2=30 equation: 



(x+40)/2=30

We move all terms to the left:

(x+40)/2-(30)=0

We multiply all the terms by the denominator


(x+40)-30*2=0

We add all the numbers together, and all the variables

(x+40)-60=0

We get rid of parentheses

x+40-60=0

We add all the numbers together, and all the variables

x-20=0

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

x=20

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