3a-7+2a=73

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Solution for 3a-7+2a=73 equation: 



3a-7+2a=73

We move all terms to the left:

3a-7+2a-(73)=0

We add all the numbers together, and all the variables

5a-80=0

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

5a=80

a=80/5

a=16

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