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(x+5)/2+(x-8)=31
We move all terms to the left:
(x+5)/2+(x-8)-(31)=0
We get rid of parentheses
(x+5)/2+x-8-31=0
We multiply all the terms by the denominator
(x+5)+x*2-8*2-31*2=0
We add all the numbers together, and all the variables
(x+5)+x*2-78=0
Wy multiply elements
(x+5)+2x-78=0
We get rid of parentheses
x+2x+5-78=0
We add all the numbers together, and all the variables
3x-73=0
We move all terms containing x to the left, all other terms to the right
3x=73
x=73/3
x=24+1/3
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