Question

x = 2 and y = -1 is the solution for which of the equation?
a) x - y = 3
b) 2x - 4y = 13
c) 5x + y = 23
d) x + 8y = 42​

Answer 1

Answer:

a)

Hope this helps you...

Answer 2

Answer:

a)

Step-by-step explanation:

x-y=3

2-(-1)=3

hope it helps