Question

the sum of two numbers is 21. Five times the first number added to 2 times the second number is 66. Find the two numbers ​

Answer 1

Let the 1st no. be x

so, 2nd is (21 - x)

so ,

ATQ. 5x+2 (21-x)=66

5x- 2x + 105 = 66

...........

Answer 2

Answer:

let the first no be x and second be y

Step-by-step explanation:

x+y=21

5x+2y = 66

5x -2x= 66

3x=66

x=66÷3

=22