4(a-9)=16a

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Solution for 4(a-9)=16a equation: 



4(a-9)=16a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-16a+4a-36=0

We add all the numbers together, and all the variables

-12a-36=0

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

-12a=36

a=36/-12

a=-3

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