Question

Solve the following equations of linear equations graphically 2x-y=1;x-y=-1

Answer 1

Answer:

y=3

X=2

Step-by-step explanation:

1. 2x-y = 1
2. x-y=-1

X= -1+y ( substitution method)

2(-1+y)-y=1

-2+2y-y=1

-2+y=1

y=3

2x-3=1

2x=4

X=2