Question

A number is 4 less than two times the other number if their diff is 21 what is the greater number

Answer 1

Answer:

P i.e. 25 (when Q is greater)

P i.e. -17 (when P is greater)

Step-by-step explanation:

Let the number be:- P (represented as x)

A.T.Q other no. be:- Q (represented as 2x-4)

Difference between both numbers is 21 (GIVEN)

Q-P= 21                         |                      P-Q=21

(2x-4) - (x) = 21              |                      (x) - (2x-4) = 21

2x-4-x = 21                    |                      x-2x+4 = 21

x = 25                            |                      x = -17

If P = 25                        |                      If P = -17  

Q = 46                           |                     Q = 38

Both satisfy the given condition :)