0.8b-7=0.3b+5

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Solution for 0.8b-7=0.3b+5 equation: 



0.8b-7=0.3b+5

We move all terms to the left:

0.8b-7-(0.3b+5)=0

We get rid of parentheses

0.8b-0.3b-5-7=0

We add all the numbers together, and all the variables

0.5b-12=0

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

0.5b=12

b=12/0.5

b=24

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