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(30+a)/2=22
We move all terms to the left:
(30+a)/2-(22)=0
We add all the numbers together, and all the variables
(a+30)/2-22=0
We multiply all the terms by the denominator
(a+30)-22*2=0
We add all the numbers together, and all the variables
(a+30)-44=0
We get rid of parentheses
a+30-44=0
We add all the numbers together, and all the variables
a-14=0
We move all terms containing a to the left, all other terms to the right
a=14
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