30=3(4+2x)

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Solution for 30=3(4+2x) equation: 



30=3(4+2x)

We move all terms to the left:

30-(3(4+2x))=0

We add all the numbers together, and all the variables

-(3(2x+4))+30=0



We calculate terms in parentheses: -(3(2x+4)), so:

3(2x+4)

We multiply parentheses

6x+12

Back to the equation:

-(6x+12)



We get rid of parentheses

-6x-12+30=0

We add all the numbers together, and all the variables

-6x+18=0

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

-6x=-18

x=-18/-6

x=+3

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