20*3=18(a+3)

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Solution for 20*3=18(a+3) equation: 



20*3=18(a+3)

We move all terms to the left:

20*3-(18(a+3))=0

We add all the numbers together, and all the variables

-(18(a+3))+60=0



We calculate terms in parentheses: -(18(a+3)), so:

18(a+3)

We multiply parentheses

18a+54

Back to the equation:

-(18a+54)



We get rid of parentheses

-18a-54+60=0

We add all the numbers together, and all the variables

-18a+6=0

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

-18a=-6

a=-6/-18

a=1/3

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