9x+9=7x-1

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



9x+9=7x-1

We move all terms to the left:

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

We get rid of parentheses

9x-7x+1+9=0

We add all the numbers together, and all the variables

2x+10=0

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

2x=-10

x=-10/2

x=-5

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