-3+12-9x+8=-3(4x-7)

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Solution for -3+12-9x+8=-3(4x-7) equation:



-3+12-9x+8=-3(4x-7)
We move all terms to the left:
-3+12-9x+8-(-3(4x-7))=0
We add all the numbers together, and all the variables
-9x-(-3(4x-7))+17=0
We calculate terms in parentheses: -(-3(4x-7)), so:
-3(4x-7)
We multiply parentheses
-12x+21
Back to the equation:
-(-12x+21)
We get rid of parentheses
-9x+12x-21+17=0
We add all the numbers together, and all the variables
3x-4=0
We move all terms containing x to the left, all other terms to the right
3x=4
x=4/3
x=1+1/3

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