Question

five times a number increased by 7 is equal to 15 use than three times the number. Find the number.​

Answer 1

let the required number to be : n

Then 5 times the no. increased by 7

= 5n+7

Now, A/Q. 5n+7 = 3n+15

→ 5n-3n = 15-7

→ 2n = 8

→ n = 8/2 = 4

Hence, the required number is : 4