125=(4x+2)+(5x-12)

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Solution for 125=(4x+2)+(5x-12) equation:



125=(4x+2)+(5x-12)
We move all terms to the left:
125-((4x+2)+(5x-12))=0
We calculate terms in parentheses: -((4x+2)+(5x-12)), so:
(4x+2)+(5x-12)
We get rid of parentheses
4x+5x+2-12
We add all the numbers together, and all the variables
9x-10
Back to the equation:
-(9x-10)
We get rid of parentheses
-9x+10+125=0
We add all the numbers together, and all the variables
-9x+135=0
We move all terms containing x to the left, all other terms to the right
-9x=-135
x=-135/-9
x=+15

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