a-2=2(2a-1)-30

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Solution for a-2=2(2a-1)-30 equation: 



a-2=2(2a-1)-30

We move all terms to the left:

a-2-(2(2a-1)-30)=0



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

2(2a-1)-30

We multiply parentheses

4a-2-30

We add all the numbers together, and all the variables

4a-32

Back to the equation:

-(4a-32)



We get rid of parentheses

a-4a+32-2=0

We add all the numbers together, and all the variables

-3a+30=0

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

-3a=-30

a=-30/-3

a=+10

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