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

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



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

We move all terms to the left:

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

We multiply parentheses

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



We calculate terms in parentheses: -(4-(a-3)), so:

4-(a-3)

determiningTheFunctionDomain
-(a-3)+4

We get rid of parentheses

-a+3+4

We add all the numbers together, and all the variables

-1a+7

Back to the equation:

-(-1a+7)



We get rid of parentheses

3a+1a-7+3=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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