2a-20.7=19.5

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Solution for 2a-20.7=19.5 equation: 



2a-20.7=19.5

We move all terms to the left:

2a-20.7-(19.5)=0

We add all the numbers together, and all the variables

2a-40.2=0

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

2a=40.2

a=40.2/2

a=20+0.2/2

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