Question

3. How many pairs of x and y satisfy the equations
6x + 5y = 18 and 8x + 7y = 22?
(1) 0
(2) 1
(3) 2
(4) 3
(5) None of these
Sifh​

Answer 1

Answer:

1

Step-by-step explanation:

THE EQUATION WILL HAVE UNIQUR SOLUTION IF

A1 ÷ A2 is not equal to B1 ÷ B2

IN THE GIVEN EQUATION

6 ÷ 8 is not equal to 5 ÷ 7

so this equation will have unique solution