9=10(8x+9)

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Solution for 9=10(8x+9) equation: 



9=10(8x+9)

We move all terms to the left:

9-(10(8x+9))=0



We calculate terms in parentheses: -(10(8x+9)), so:

10(8x+9)

We multiply parentheses

80x+90

Back to the equation:

-(80x+90)



We get rid of parentheses

-80x-90+9=0

We add all the numbers together, and all the variables

-80x-81=0

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

-80x=81

x=81/-80

x=-1+1/80

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