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-2.7(0.3b+2.4)+1.7(2.1-1.3b)=7.05
We move all terms to the left:
-2.7(0.3b+2.4)+1.7(2.1-1.3b)-(7.05)=0
We add all the numbers together, and all the variables
-2.7(0.3b+2.4)+1.7(-1.3b+2.1)-(7.05)=0
We add all the numbers together, and all the variables
-2.7(0.3b+2.4)+1.7(-1.3b+2.1)-7.05=0
We multiply parentheses
-0b-1.7b-6.48+3.57-7.05=0
We add all the numbers together, and all the variables
-2.7b-9.96=0
We move all terms containing b to the left, all other terms to the right
-2.7b=9.96
b=9.96/-2.7
b=-3+1/1.4516129032258
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