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4.4(1+3.9b)=-72.82
We move all terms to the left:
4.4(1+3.9b)-(-72.82)=0
We add all the numbers together, and all the variables
4.4(3.9b+1)-(-72.82)=0
We add all the numbers together, and all the variables
4.4(3.9b+1)+72.82=0
We multiply parentheses
13.2b+4.4+72.82=0
We add all the numbers together, and all the variables
13.2b+77.22=0
We move all terms containing b to the left, all other terms to the right
13.2b=-77.22
b=-77.22/13.2
b=-5+9.1967213114754/10.819672131148
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