Question

Solve graphically
2x-y+2=0, 4x-y-4=0

Answer 1

2x-y+2=0

4×-y-4=0

2×=y-2 and 4×=y+4

×=y-2÷2 and ×=y+4÷4

now ,

y-2÷2=y+4÷4

in this way you can solve it . First you got the value if y and then x.

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Answer 2

Answer :-

2x - y + 2 = 0--------(1)

4x - y - 4 = 0---------(2)

now, from eq (1)

x = (-2 + y)/2

let y be -2 then, x = -2

from eq(2)

x = (4+y)/4

let y be 4 then, x = 2..