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(7x+31)+(7x+31)+(7x+31)+(7x+31)+(7x+31)=360
We move all terms to the left:
(7x+31)+(7x+31)+(7x+31)+(7x+31)+(7x+31)-(360)=0
We get rid of parentheses
7x+7x+7x+7x+7x+31+31+31+31+31-360=0
We add all the numbers together, and all the variables
35x-205=0
We move all terms containing x to the left, all other terms to the right
35x=205
x=205/35
x=5+6/7
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