Question

if a=4 and 3a+5b=22 then find b​

Answer 1

a = 4 (given)

3a + 5b = 23

3*4 + 5b = 23

12 + 5b = 23

5b = 23 - 12

5b = 11

b = 11/5

Answer 2

on substituting the values

12+ 5b=22

5b=22-12

5b =10

b = 10/2

b=5

hence b= 5