destintofate destintofate

28-08-2016
Mathematics

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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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