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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