x-8=7+4x

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



x-8=7+4x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

x-4x-7-8=0

We add all the numbers together, and all the variables

-3x-15=0

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

-3x=15

x=15/-3

x=-5

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