120-48a=78

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Solution for 120-48a=78 equation: 



120-48a=78

We move all terms to the left:

120-48a-(78)=0

We add all the numbers together, and all the variables

-48a+42=0

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

-48a=-42

a=-42/-48

a=7/8

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