2(a+)-7=9

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Solution for 2(a+)-7=9 equation: 



2(a+)-7=9

We move all terms to the left:

2(a+)-7-(9)=0

We add all the numbers together, and all the variables

2(+a)-7-9=0

We add all the numbers together, and all the variables

2(+a)-16=0

We multiply parentheses

2a-16=0

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

2a=16

a=16/2

a=8

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