Question

If  4x + 5y= 23 and 3x + 5y= 21 x y x y + = + = then the value of x and y will be​

Answer 1

Answer:

x = 2

y = 3

Step-by-step explanation:

4x + 5 y = 23 -----1

3x + 5y = 21 ------2

1 - 2

x= 2

4*2 + 5y = 23

5y = 23 - 8

5y = 15

$\frac{15}{5}$

y = 3