7.4b+6.9b+20=12.3b-20

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Solution for 7.4b+6.9b+20=12.3b-20 equation: 



7.4b+6.9b+20=12.3b-20

We move all terms to the left:

7.4b+6.9b+20-(12.3b-20)=0

We add all the numbers together, and all the variables

14.3b-(12.3b-20)+20=0

We get rid of parentheses

14.3b-12.3b+20+20=0

We add all the numbers together, and all the variables

2b+40=0

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

2b=-40

b=-40/2

b=-20

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