3x+30=9x-15

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Solution for 3x+30=9x-15 equation: 



3x+30=9x-15

We move all terms to the left:

3x+30-(9x-15)=0

We get rid of parentheses

3x-9x+15+30=0

We add all the numbers together, and all the variables

-6x+45=0

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

-6x=-45

x=-45/-6

x=7+1/2

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