Question

Pls I just want to get good grades.

Answer 1

4.

x=2y
y=x-2

(Substitute)

x=2(x-2)
x=2x-4
-x=-4
x=4

Plug x=4 into both equations to find y and check

4=2y
2=y

y=4-2
y=2

(4,2)—> Blank 1:4 and Blank 2:2


5.

x=2y-3
x=2y+4

2y-3=2y+4

No solution —> Blank 1: NS and Blank 2: NS