2x+12=7x-28,

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Solution for 2x+12=7x-28, equation: 



2x+12=7x-28.

We move all terms to the left:

2x+12-(7x-28.)=0

We add all the numbers together, and all the variables

2x-(7x-28)+12=0

We get rid of parentheses

2x-7x+28+12=0

We add all the numbers together, and all the variables

-5x+40=0

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

-5x=-40

x=-40/-5

x=+8

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