-x-3=9x+4

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Solution for -x-3=9x+4 equation: 



-x-3=9x+4

We move all terms to the left:

-x-3-(9x+4)=0

We add all the numbers together, and all the variables

-1x-(9x+4)-3=0

We get rid of parentheses

-1x-9x-4-3=0

We add all the numbers together, and all the variables

-10x-7=0

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

-10x=7

x=7/-10

x=-7/10

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