3x=(-30)+x

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



3x=(-30)+x

We move all terms to the left:

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



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

(-30)+x

determiningTheFunctionDomain
x+(-30)

We add all the numbers together, and all the variables

x-30

Back to the equation:

-(x-30)



We get rid of parentheses

3x-x+30=0

We add all the numbers together, and all the variables

2x+30=0

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

2x=-30

x=-30/2

x=-15

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