2a-16=20

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Solution for 2a-16=20 equation: 



2a-16=20

We move all terms to the left:

2a-16-(20)=0

We add all the numbers together, and all the variables

2a-36=0

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

2a=36

a=36/2

a=18

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