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20-3x/2=7
We move all terms to the left:
20-3x/2-(7)=0
We add all the numbers together, and all the variables
-3x/2+13=0
We multiply all the terms by the denominator
-3x+13*2=0
We add all the numbers together, and all the variables
-3x+26=0
We move all terms containing x to the left, all other terms to the right
-3x=-26
x=-26/-3
x=8+2/3
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