13+9a-18=12a-5-3a

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Solution for 13+9a-18=12a-5-3a equation: 



13+9a-18=12a-5-3a

We move all terms to the left:

13+9a-18-(12a-5-3a)=0

We add all the numbers together, and all the variables

9a-(9a-5)+13-18=0

We add all the numbers together, and all the variables

9a-(9a-5)-5=0

We get rid of parentheses

9a-9a+5-5=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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