-4=7x-12+2x

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Solution for -4=7x-12+2x equation:



-4=7x-12+2x
We move all terms to the left:
-4-(7x-12+2x)=0
We add all the numbers together, and all the variables
-(9x-12)-4=0
We get rid of parentheses
-9x+12-4=0
We add all the numbers together, and all the variables
-9x+8=0
We move all terms containing x to the left, all other terms to the right
-9x=-8
x=-8/-9
x=8/9

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