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3.5b=-49.875
We move all terms to the left:
3.5b-(-49.875)=0
We add all the numbers together, and all the variables
3.5b+49.875=0
We move all terms containing b to the left, all other terms to the right
3.5b=-49.875
b=-49.875/3.5
b=-14+0.875/3.5
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