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255=5(-5x-14)
We move all terms to the left:
255-(5(-5x-14))=0
We calculate terms in parentheses: -(5(-5x-14)), so:We get rid of parentheses
5(-5x-14)
We multiply parentheses
-25x-70
Back to the equation:
-(-25x-70)
25x+70+255=0
We add all the numbers together, and all the variables
25x+325=0
We move all terms containing x to the left, all other terms to the right
25x=-325
x=-325/25
x=-13
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