a-2.5=2a-19.7

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Solution for a-2.5=2a-19.7 equation: 



a-2.5=2a-19.7

We move all terms to the left:

a-2.5-(2a-19.7)=0

We get rid of parentheses

a-2a+19.7-2.5=0

We add all the numbers together, and all the variables

-1a+17.2=0

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

-a=-17.2

a=-17.2/-1

a=17+0.2/1

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