-7x+28=-3x+40

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Solution for -7x+28=-3x+40 equation: 



-7x+28=-3x+40

We move all terms to the left:

-7x+28-(-3x+40)=0

We get rid of parentheses

-7x+3x-40+28=0

We add all the numbers together, and all the variables

-4x-12=0

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

-4x=12

x=12/-4

x=-3

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