-7x-75=40-12x

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Solution for -7x-75=40-12x equation: 



-7x-75=40-12x

We move all terms to the left:

-7x-75-(40-12x)=0

We add all the numbers together, and all the variables

-7x-(-12x+40)-75=0

We get rid of parentheses

-7x+12x-40-75=0

We add all the numbers together, and all the variables

5x-115=0

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

5x=115

x=115/5

x=23

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