19=a+7.8

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Solution for 19=a+7.8 equation: 



19=a+7.8

We move all terms to the left:

19-(a+7.8)=0

We get rid of parentheses

-a-7.8+19=0

We add all the numbers together, and all the variables

-1a+11.2=0

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

-a=-11.2

a=-11.2/-1

a=11+0.2/1

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