b-3b=9-5b+3

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Solution for b-3b=9-5b+3 equation:



b-3b=9-5b+3
We move all terms to the left:
b-3b-(9-5b+3)=0
We add all the numbers together, and all the variables
b-3b-(-5b+12)=0
We add all the numbers together, and all the variables
-2b-(-5b+12)=0
We get rid of parentheses
-2b+5b-12=0
We add all the numbers together, and all the variables
3b-12=0
We move all terms containing b to the left, all other terms to the right
3b=12
b=12/3
b=4

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