5a-12+7a=48

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Solution for 5a-12+7a=48 equation: 



5a-12+7a=48

We move all terms to the left:

5a-12+7a-(48)=0

We add all the numbers together, and all the variables

12a-60=0

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

12a=60

a=60/12

a=5

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