Question

Solve graphically: x + y = 7 and x – y = 1

Answer 1

Answer:

x=4, x=2 and y=3, y=1

Step-by-step explanation:

x+y=7 and x-y=1

x+y=7

x=7-y

let y =3

than

x= 7-3

x=4

and

x-y=1

x=1+y

let y=1

than

x=1+1

x=2

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