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1.3(8-b)+3.7b=-5.7
We move all terms to the left:
1.3(8-b)+3.7b-(-5.7)=0
We add all the numbers together, and all the variables
1.3(-1b+8)+3.7b-(-5.7)=0
We add all the numbers together, and all the variables
3.7b+1.3(-1b+8)+5.7=0
We multiply parentheses
3.7b-1.3b+10.4+5.7=0
We add all the numbers together, and all the variables
2.4b+16.1=0
We move all terms containing b to the left, all other terms to the right
2.4b=-16.1
b=-16.1/2.4
b=-6+1/1.41176470588
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