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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

3a-(3a-3)-3=0

We get rid of parentheses

3a-3a+3-3=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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