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11.8b+9.62+1.6b=4.9
We move all terms to the left:
11.8b+9.62+1.6b-(4.9)=0
We add all the numbers together, and all the variables
13.4b+4.72=0
We move all terms containing b to the left, all other terms to the right
13.4b=-4.72
b=-4.72/13.4
b=-2.7441860465116/7.7906976744186
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