Question

b+(b+2)+(b+3)=21 * b=​

Answer 1

LHS

b+b+2+b+3

⇒3b+5

so

⇒3b+5=21×b

⇒3b+5/21=b

⇒3b/21 + 5/21 = b

⇒3b/21 = b - 5/21

⇒3b = 5b - 5

⇒3b-5b = -5

⇒-2b=-5

b=5/2

please mark as brainliest please