Question

x+2y=1 and 2x+y=-1 by elimination method​

Answer 1

Answer:

468299297*#*÷**'kekejf

Answer 2

Answer:

x = -1

y = 1

Step-by-step explanation:

x + 2y = 1 ------- Equ 1

2x + y = -1 -------- Equ 2

Equ 1 - Equ 2 × 2

x + 2y = 1

4x + 2y = -2

(-) (-) (+)

__________

-3x = 3

x = -1

substitute x = -1 in Equ 1

-1 + 2y = 1

2y = 2

y = 1

Hope it helps you:)