5a-30+9=a+3

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Solution for 5a-30+9=a+3 equation: 



5a-30+9=a+3

We move all terms to the left:

5a-30+9-(a+3)=0

We add all the numbers together, and all the variables

5a-(a+3)-21=0

We get rid of parentheses

5a-a-3-21=0

We add all the numbers together, and all the variables

4a-24=0

We move all terms containing a to the left, all other terms to the right

4a=24

a=24/4

a=6

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