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

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



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

We move all terms to the left:

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

We multiply parentheses

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



We calculate terms in parentheses: -(a-3(a+1)), so:

a-3(a+1)

We multiply parentheses

a-3a-3

We add all the numbers together, and all the variables

-2a-3

Back to the equation:

-(-2a-3)



We add all the numbers together, and all the variables

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

We get rid of parentheses

2a+2a+3+1=0

We add all the numbers together, and all the variables

4a+4=0

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

4a=-4

a=-4/4

a=-1

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