3(5+a)=15+3a

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Solution for 3(5+a)=15+3a equation: 



3(5+a)=15+3a

We move all terms to the left:

3(5+a)-(15+3a)=0

We add all the numbers together, and all the variables

3(a+5)-(3a+15)=0

We multiply parentheses

3a-(3a+15)+15=0

We get rid of parentheses

3a-3a-15+15=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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