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2.2b-4=-0.15
We move all terms to the left:
2.2b-4-(-0.15)=0
We add all the numbers together, and all the variables
2.2b-3.85=0
We move all terms containing b to the left, all other terms to the right
2.2b=3.85
b=3.85/2.2
b=1+1/1.3333333333333
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