4+2(-1+7x)=7x+30

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Solution for 4+2(-1+7x)=7x+30 equation: 



4+2(-1+7x)=7x+30

We move all terms to the left:

4+2(-1+7x)-(7x+30)=0

We add all the numbers together, and all the variables

2(7x-1)-(7x+30)+4=0

We multiply parentheses

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

We get rid of parentheses

14x-7x-30-2+4=0

We add all the numbers together, and all the variables

7x-28=0

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

7x=28

x=28/7

x=4

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