9(x-3)=7x+15

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Solution for 9(x-3)=7x+15 equation: 



9(x-3)=7x+15

We move all terms to the left:

9(x-3)-(7x+15)=0

We multiply parentheses

9x-(7x+15)-27=0

We get rid of parentheses

9x-7x-15-27=0

We add all the numbers together, and all the variables

2x-42=0

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

2x=42

x=42/2

x=21

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