0.3a+0.5=0.4a-0.2

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Solution for 0.3a+0.5=0.4a-0.2 equation: 



0.3a+0.5=0.4a-0.2

We move all terms to the left:

0.3a+0.5-(0.4a-0.2)=0

We get rid of parentheses

0.3a-0.4a+0.2+0.5=0

We add all the numbers together, and all the variables

-0.1a+0.7=0

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

-0.1a=-0.7

a=-0.7/-0.1

a=6+0.1/0.1

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