2(a+3)=4(a-1)

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Solution for 2(a+3)=4(a-1) equation: 



2(a+3)=4(a-1)

We move all terms to the left:

2(a+3)-(4(a-1))=0

We multiply parentheses

2a-(4(a-1))+6=0



We calculate terms in parentheses: -(4(a-1)), so:

4(a-1)

We multiply parentheses

4a-4

Back to the equation:

-(4a-4)



We get rid of parentheses

2a-4a+4+6=0

We add all the numbers together, and all the variables

-2a+10=0

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

-2a=-10

a=-10/-2

a=+5

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