-x-3=7x+4

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Solution for -x-3=7x+4 equation: 



-x-3=7x+4

We move all terms to the left:

-x-3-(7x+4)=0

We add all the numbers together, and all the variables

-1x-(7x+4)-3=0

We get rid of parentheses

-1x-7x-4-3=0

We add all the numbers together, and all the variables

-8x-7=0

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

-8x=7

x=7/-8

x=-7/8

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