7.3a+13=78.7

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Solution for 7.3a+13=78.7 equation: 



7.3a+13=78.7

We move all terms to the left:

7.3a+13-(78.7)=0

We add all the numbers together, and all the variables

7.3a-65.7=0

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

7.3a=65.7

a=65.7/7.3

a=9

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