7x+8=2(x-1)+30

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Solution for 7x+8=2(x-1)+30 equation: 



7x+8=2(x-1)+30

We move all terms to the left:

7x+8-(2(x-1)+30)=0



We calculate terms in parentheses: -(2(x-1)+30), so:

2(x-1)+30

We multiply parentheses

2x-2+30

We add all the numbers together, and all the variables

2x+28

Back to the equation:

-(2x+28)



We get rid of parentheses

7x-2x-28+8=0

We add all the numbers together, and all the variables

5x-20=0

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

5x=20

x=20/5

x=4

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