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0.76b+6-0.3b=6.8
We move all terms to the left:
0.76b+6-0.3b-(6.8)=0
We add all the numbers together, and all the variables
0.46b-0.8=0
We move all terms containing b to the left, all other terms to the right
0.46b=0.8
b=0.8/0.46
b=1+0.34/0.46
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