-1=-7x-9

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Solution for -1=-7x-9 equation: 



-1=-7x-9

We move all terms to the left:

-1-(-7x-9)=0

We get rid of parentheses

7x+9-1=0

We add all the numbers together, and all the variables

7x+8=0

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

7x=-8

x=-8/7

x=-1+1/7

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