Question

1. If 3x + 5y = 9 and 5x + 3y = 7, then what is the value of x-y?

options:

A) 2.
b) 16
c)-1
d) 1​

Answer 1

Answer:

A) 2

Step-by-step explanation:

3x + 5y =9

5x + 3y =7

3x/5y = 2 x = 2

5x/3y = 2 y = 2

+ = + = -

9 - 2 = 2

x+ y = 2