Question

.x = 9, y = 4 is the solution of which of the following equation? a)2x +y=17,b)x+y=17,c)x+2y=17,d)3x-2y= 17​

Answer 1

Answer:

c, x=9, y=4 is the solution of third one.

Step-by-step explanation:

Since,

x+2y= 9+2×4

= 9+8

= 17

Answer 2

Answer:

1) 2(9) +4=22 no

2)9+4=13 no

3) 9+2(4)=17 yes

4)3(9)-2(4)=19 no