Question

. b + ( b + 1 ) + ( b + 2 ) / 4 = 21 , Find b :​

Answer 1

Answer:

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Step-by-step explanation:

$\large\frac{b + (b + 1) + (b + 2)}{4} = 21 \\ \\\large b + b + 1 + b + 2= 21 \times 4 \\ \\\large 3b + 3 = 84 \\ \\ \large3b = 84 - 3 \\ \\ \large3b = 81 \\ \\\large b = \frac{81}{3} \\ \\\large \implies \: b = 27$