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13.03+12.3b=-2-17.77+7.3b
We move all terms to the left:
13.03+12.3b-(-2-17.77+7.3b)=0
We add all the numbers together, and all the variables
12.3b-(7.3b-19.77)+13.03=0
We get rid of parentheses
12.3b-7.3b+19.77+13.03=0
We add all the numbers together, and all the variables
5b+32.8=0
We move all terms containing b to the left, all other terms to the right
5b=-32.8
b=-32.8/5
b=-6+2.8/5
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