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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

4a-(+4a)=0

We get rid of parentheses

4a-4a=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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