3x-7(x-9)=15

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



3x-7(x-9)=15

We move all terms to the left:

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

We multiply parentheses

3x-7x+63-15=0

We add all the numbers together, and all the variables

-4x+48=0

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

-4x=-48

x=-48/-4

x=+12

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