Solve the following system of linear equations graphically. `2x-y-4=0`, `x+y+1=0`

Explanation

`2 x-y-4=0 ldos(ex { i) } `

y=2 x-4

ex { When } x=1,` y=2 imes 1-4=2-4=-2 `

ex { When } x=2,` y=2 imes 2-4=4-4=0 `

ex { When } x=3, `y=2 imes 3-4=6-4=2 `

x=1,2,3

y=-2,0,2


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