destintofate
destintofate
28-08-2016
Mathematics
contestada
What does 2/3b+5=20-b equal
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dasetka
dasetka
28-08-2016
[tex] \frac{2}{3} [/tex]b + 5 = 20 - b Multiply both sides by 3
2b + 15 = 60 - 3b Add 3b to both sides
5b + 15 = 60 Subtract 15 from both sides
5b = 45 Divide both sides by 5
b = 9
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