16=3(4+9a)

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Solution for 16=3(4+9a) equation: 



16=3(4+9a)

We move all terms to the left:

16-(3(4+9a))=0

We add all the numbers together, and all the variables

-(3(9a+4))+16=0



We calculate terms in parentheses: -(3(9a+4)), so:

3(9a+4)

We multiply parentheses

27a+12

Back to the equation:

-(27a+12)



We get rid of parentheses

-27a-12+16=0

We add all the numbers together, and all the variables

-27a+4=0

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

-27a=-4

a=-4/-27

a=4/27

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