.25a-2.1=0.5a-4.1

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Solution for .25a-2.1=0.5a-4.1 equation: 



.25a-2.1=0.5a-4.1

We move all terms to the left:

.25a-2.1-(0.5a-4.1)=0

We get rid of parentheses

.25a-0.5a+4.1-2.1=0

We add all the numbers together, and all the variables

-0.25a+2=0

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

-0.25a=-2

a=-2/-0.25

a=+8

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