9x-7=12x-3-4x

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Solution for 9x-7=12x-3-4x equation: 



9x-7=12x-3-4x

We move all terms to the left:

9x-7-(12x-3-4x)=0

We add all the numbers together, and all the variables

9x-(8x-3)-7=0

We get rid of parentheses

9x-8x+3-7=0

We add all the numbers together, and all the variables

x-4=0

We move all terms containing x to the left, all other terms to the right

x=4

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