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(x+42)+55=180
We simplify the equation to the form, which is simple to understand
(x+42)+55=180
Remove unnecessary parentheses
x+42+55=180
We move all terms containing x to the left and all other terms to the right.
+1x=+180-42-55
We simplify left and right side of the equation.
+1x=+83
We divide both sides of the equation by 1 to get x.
x=83
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