Question

Solve the simultaneous equation by graphical method
1) x-y=1 5x-3y=1​

Answer 1

Answer:

y= -2, x = -1

Step-by-step explanation:

(x-y=1)×5=5x-5y=5

5x-3y=1

5x-5y=5

- + -

-------------

2y= -4

therefore, y= -2

x-y=1

x = y+1

x = -2+1

x = -1