2(a+4a)=120=

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Solution for 2(a+4a)=120= equation: 



2(a+4a)=120=

We move all terms to the left:

2(a+4a)-(120)=0

We add all the numbers together, and all the variables

2(+5a)-120=0

We multiply parentheses

10a-120=0

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

10a=120

a=120/10

a=12

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