Question

2x+y=7 give four solutions​

Answer 1

Answer:

x=1, y=5

x=2, y=3

x=3, y=1

x=4, y= -1

x=5, y= -3

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Answer 2

Answer:

let x be 0

2(0) +y= 7

y= 7

(0,7)

let x be 1

2(1) +y= 7

2+ y= 7

y= 7-2

y= 5

(1,5)

let x be 3

2(3)+y= 7

6+y=7

y= 7-6

y=1

(3,1)

let y be 3

2x+3=7

2x= 7-3

2x= 4

x= 4/2

x=2

(2,3)

four solutions are (0,7) ( 1,5) (3,1)

(2,3)