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-1.8b=6.57
We move all terms to the left:
-1.8b-(6.57)=0
We add all the numbers together, and all the variables
-1.8b-6.57=0
We move all terms containing b to the left, all other terms to the right
-1.8b=6.57
b=6.57/-1.8
b=-3+1/1.5384615384615
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