3x=(-3x)+30

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Solution for 3x=(-3x)+30 equation: 



3x=(-3x)+30

We move all terms to the left:

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



We calculate terms in parentheses: -((-3x)+30), so:

(-3x)+30

We get rid of parentheses

-3x+30

Back to the equation:

-(-3x+30)



We get rid of parentheses

3x+3x-30=0

We add all the numbers together, and all the variables

6x-30=0

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

6x=30

x=30/6

x=5

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