-x-5=7+3x

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Solution for -x-5=7+3x equation: 



-x-5=7+3x

We move all terms to the left:

-x-5-(7+3x)=0

We add all the numbers together, and all the variables

-x-(3x+7)-5=0

We add all the numbers together, and all the variables

-1x-(3x+7)-5=0

We get rid of parentheses

-1x-3x-7-5=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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