13-(x+9)=7x-4

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Solution for 13-(x+9)=7x-4 equation: 



13-(x+9)=7x-4

We move all terms to the left:

13-(x+9)-(7x-4)=0

We get rid of parentheses

-x-7x-9+4+13=0

We add all the numbers together, and all the variables

-8x+8=0

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

-8x=-8

x=-8/-8

x=1

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