12-3x=-(6x-7)+4x

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Solution for 12-3x=-(6x-7)+4x equation:



12-3x=-(6x-7)+4x
We move all terms to the left:
12-3x-(-(6x-7)+4x)=0
We calculate terms in parentheses: -(-(6x-7)+4x), so:
-(6x-7)+4x
We add all the numbers together, and all the variables
4x-(6x-7)
We get rid of parentheses
4x-6x+7
We add all the numbers together, and all the variables
-2x+7
Back to the equation:
-(-2x+7)
We get rid of parentheses
-3x+2x-7+12=0
We add all the numbers together, and all the variables
-1x+5=0
We move all terms containing x to the left, all other terms to the right
-x=-5
x=-5/-1
x=+5

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