9(x+9)=10x=7

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Solution for 9(x+9)=10x=7 equation: 



9(x+9)=10x=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-10x+9x+81=0

We add all the numbers together, and all the variables

-1x+81=0

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

-x=-81

x=-81/-1

x=+81

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