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(3x+7)/2=-28
We move all terms to the left:
(3x+7)/2-(-28)=0
We add all the numbers together, and all the variables
(3x+7)/2+28=0
We multiply all the terms by the denominator
(3x+7)+28*2=0
We add all the numbers together, and all the variables
(3x+7)+56=0
We get rid of parentheses
3x+7+56=0
We add all the numbers together, and all the variables
3x+63=0
We move all terms containing x to the left, all other terms to the right
3x=-63
x=-63/3
x=-21
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