8(x+9)=9(x+9)

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Solution for 8(x+9)=9(x+9) equation: 



8(x+9)=9(x+9)

We move all terms to the left:

8(x+9)-(9(x+9))=0

We multiply parentheses

8x-(9(x+9))+72=0



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

9(x+9)

We multiply parentheses

9x+81

Back to the equation:

-(9x+81)



We get rid of parentheses

8x-9x-81+72=0

We add all the numbers together, and all the variables

-1x-9=0

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

-x=9

x=9/-1

x=-9

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