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b+0.2=2+0.7
We move all terms to the left:
b+0.2-(2+0.7)=0
We add all the numbers together, and all the variables
b+0.2-(2.7)=0
We add all the numbers together, and all the variables
b-2.5=0
We move all terms containing b to the left, all other terms to the right
b=2.5
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