7x+(2-1)=9x+7

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Solution for 7x+(2-1)=9x+7 equation: 



7x+(2-1)=9x+7

We move all terms to the left:

7x+(2-1)-(9x+7)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

7x-9x-7+1=0

We add all the numbers together, and all the variables

-2x-6=0

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

-2x=6

x=6/-2

x=-3

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