30=2(x+7)+4

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Solution for 30=2(x+7)+4 equation: 



30=2(x+7)+4

We move all terms to the left:

30-(2(x+7)+4)=0



We calculate terms in parentheses: -(2(x+7)+4), so:

2(x+7)+4

We multiply parentheses

2x+14+4

We add all the numbers together, and all the variables

2x+18

Back to the equation:

-(2x+18)



We get rid of parentheses

-2x-18+30=0

We add all the numbers together, and all the variables

-2x+12=0

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

-2x=-12

x=-12/-2

x=+6

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