9-3x=x+15

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Solution for 9-3x=x+15 equation: 



9-3x=x+15

We move all terms to the left:

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

We get rid of parentheses

-3x-x-15+9=0

We add all the numbers together, and all the variables

-4x-6=0

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

-4x=6

x=6/-4

x=-1+1/2

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