2(a+2a)=99

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Solution for 2(a+2a)=99 equation: 



2(a+2a)=99

We move all terms to the left:

2(a+2a)-(99)=0

We add all the numbers together, and all the variables

2(+3a)-99=0

We multiply parentheses

6a-99=0

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

6a=99

a=99/6

a=16+1/2

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