7.86+12.2a=9.87

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Solution for 7.86+12.2a=9.87 equation: 



7.86+12.2a=9.87

We move all terms to the left:

7.86+12.2a-(9.87)=0

We add all the numbers together, and all the variables

12.2a-2.01=0

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

12.2a=2.01

a=2.01/12.2

a=1/6.0696517412935

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