9x+18=-3x+78

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Solution for 9x+18=-3x+78 equation: 



9x+18=-3x+78

We move all terms to the left:

9x+18-(-3x+78)=0

We get rid of parentheses

9x+3x-78+18=0

We add all the numbers together, and all the variables

12x-60=0

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

12x=60

x=60/12

x=5

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