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186=-x+40
We move all terms to the left:
186-(-x+40)=0
We add all the numbers together, and all the variables
-(-1x+40)+186=0
We get rid of parentheses
1x-40+186=0
We add all the numbers together, and all the variables
x+146=0
We move all terms containing x to the left, all other terms to the right
x=-146
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