Question

Solve the system of equations.

x + 3y = 1
–2x + y = –23

A.
x = 22; y = 7

B.
x = 16; y = –5

C.
x = 10; y = –3

D.
x = 14; y = 5

Answer 1

It is C because it makes both true

Answer 2

x+3y=1
10+3(-3)=1
1=1, so Thats correct
Plug into the second equation:
-2x+y=-23
-20+-3=-23
-23=-23

Answer 3

thanks one more