7x=6x-(-9)

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Solution for 7x=6x-(-9) equation: 



7x=6x-(-9)

We move all terms to the left:

7x-(6x-(-9))=0



We calculate terms in parentheses: -(6x-(-9)), so:

6x-(-9)

We add all the numbers together, and all the variables

6x+9

Back to the equation:

-(6x+9)



We get rid of parentheses

7x-6x-9=0

We add all the numbers together, and all the variables

x-9=0

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

x=9

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