7(x+9)=10x

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



7(x+9)=10x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-10x+7(x+9)=0

We multiply parentheses

-10x+7x+63=0

We add all the numbers together, and all the variables

-3x+63=0

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

-3x=-63

x=-63/-3

x=+21

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