0.8w-0.7w=0.4w=4

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Solution for 0.8w-0.7w=0.4w=4 equation: 



0.8w-0.7w=0.4w=4

We move all terms to the left:

0.8w-0.7w-(0.4w)=0

We add all the numbers together, and all the variables

0.8w-0.7w-(+0.4w)=0

We add all the numbers together, and all the variables

0.1w-(+0.4w)=0

We get rid of parentheses

0.1w-0.4w=0

We add all the numbers together, and all the variables

-0.3w=0

w=0/-0.3

w=0

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