7x+4=8x-12

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Solution for 7x+4=8x-12 equation: 



7x+4=8x-12

We move all terms to the left:

7x+4-(8x-12)=0

We get rid of parentheses

7x-8x+12+4=0

We add all the numbers together, and all the variables

-1x+16=0

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

-x=-16

x=-16/-1

x=+16

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