Question

Draw the graph for the pair of linear equations 2x-y=1 and x+2y=13

Answer 1

Answer:

2x-y=1 eq-1. and X+2y=13 eq-2.

multiplying equation by 2

2(2x-y=1)

4x-2y=2. eq-3.

adding equation 2 and equation 3

X+2y=13

+

4x-2y=2

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

5x=26

X =26/5

X=