4-5x=12+7x

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Solution for 4-5x=12+7x equation: 



4-5x=12+7x

We move all terms to the left:

4-5x-(12+7x)=0

We add all the numbers together, and all the variables

-5x-(7x+12)+4=0

We get rid of parentheses

-5x-7x-12+4=0

We add all the numbers together, and all the variables

-12x-8=0

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

-12x=8

x=8/-12

x=-2/3

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