x+8+4=7x-16

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Solution for x+8+4=7x-16 equation: 



x+8+4=7x-16

We move all terms to the left:

x+8+4-(7x-16)=0

We add all the numbers together, and all the variables

x-(7x-16)+12=0

We get rid of parentheses

x-7x+16+12=0

We add all the numbers together, and all the variables

-6x+28=0

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

-6x=-28

x=-28/-6

x=4+2/3

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