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0.84=1.2-0.1b
We move all terms to the left:
0.84-(1.2-0.1b)=0
We add all the numbers together, and all the variables
-(-0.1b+1.2)+0.84=0
We get rid of parentheses
0.1b-1.2+0.84=0
We add all the numbers together, and all the variables
0.1b-0.36=0
We move all terms containing b to the left, all other terms to the right
0.1b=0.36
b=0.36/0.1
b=3+0.06/0.1
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