-4=9+8x

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Solution for -4=9+8x equation: 



-4=9+8x

We move all terms to the left:

-4-(9+8x)=0

We add all the numbers together, and all the variables

-(8x+9)-4=0

We get rid of parentheses

-8x-9-4=0

We add all the numbers together, and all the variables

-8x-13=0

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

-8x=13

x=13/-8

x=-1+5/8

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