-14+30=7(2x+4)+x-3x

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Solution for -14+30=7(2x+4)+x-3x equation: 



-14+30=7(2x+4)+x-3x

We move all terms to the left:

-14+30-(7(2x+4)+x-3x)=0

We add all the numbers together, and all the variables

-(7(2x+4)+x-3x)+16=0



We calculate terms in parentheses: -(7(2x+4)+x-3x), so:

7(2x+4)+x-3x

We add all the numbers together, and all the variables

-2x+7(2x+4)

We multiply parentheses

-2x+14x+28

We add all the numbers together, and all the variables

12x+28

Back to the equation:

-(12x+28)



We get rid of parentheses

-12x-28+16=0

We add all the numbers together, and all the variables

-12x-12=0

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

-12x=12

x=12/-12

x=-1

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