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5b-4b=6b+12
We move all terms to the left:
5b-4b-(6b+12)=0
We add all the numbers together, and all the variables
b-(6b+12)=0
We get rid of parentheses
b-6b-12=0
We add all the numbers together, and all the variables
-5b-12=0
We move all terms containing b to the left, all other terms to the right
-5b=12
b=12/-5
b=-2+2/5
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