390=30x+60

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Solution for 390=30x+60 equation: 



390=30x+60

We move all terms to the left:

390-(30x+60)=0

We get rid of parentheses

-30x-60+390=0

We add all the numbers together, and all the variables

-30x+330=0

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

-30x=-330

x=-330/-30

x=+11

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