7a+3a+2a-2=16

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Solution for 7a+3a+2a-2=16 equation: 



7a+3a+2a-2=16

We move all terms to the left:

7a+3a+2a-2-(16)=0

We add all the numbers together, and all the variables

12a-18=0

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

12a=18

a=18/12

a=1+1/2

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