2-4a=-2(-1+2a)

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Solution for 2-4a=-2(-1+2a) equation: 



2-4a=-2(-1+2a)

We move all terms to the left:

2-4a-(-2(-1+2a))=0

We add all the numbers together, and all the variables

-4a-(-2(2a-1))+2=0



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

-2(2a-1)

We multiply parentheses

-4a+2

Back to the equation:

-(-4a+2)



We get rid of parentheses

-4a+4a-2+2=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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