(20a+30)=5a

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Solution for (20a+30)=5a equation: 



(20a+30)=5a

We move all terms to the left:

(20a+30)-(5a)=0

We add all the numbers together, and all the variables

-5a+(20a+30)=0

We get rid of parentheses

-5a+20a+30=0

We add all the numbers together, and all the variables

15a+30=0

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

15a=-30

a=-30/15

a=-2

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