3a-(a-2)=16

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Solution for 3a-(a-2)=16 equation: 



3a-(a-2)=16

We move all terms to the left:

3a-(a-2)-(16)=0

We get rid of parentheses

3a-a+2-16=0

We add all the numbers together, and all the variables

2a-14=0

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

2a=14

a=14/2

a=7

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