1.5=3.1-0.2w

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Solution for 1.5=3.1-0.2w equation: 



1.5=3.1-0.2w

We move all terms to the left:

1.5-(3.1-0.2w)=0

We add all the numbers together, and all the variables

-(-0.2w+3.1)+1.5=0

We get rid of parentheses

0.2w-3.1+1.5=0

We add all the numbers together, and all the variables

0.2w-1.6=0

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

0.2w=1.6

w=1.6/0.2

w=8

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