Question

Simultaneous equation by graphical method x-y=1

Answer 1

Answer:

x - y = 1

let x = 1

• 1 - y = 1
• -y = 1 - 1
• y = 0

let x = 2

• 2 - y = 1
• -y = 1 - 2
• -y = -1
• y = 1