Question

11x+15y+23=0
Y-2x-3=0
Elimination method

Answer 1

Answer:

X=1.268

Y=1.732 or √3

Step-by-step explanation:

let's make the equation a bit easier

11*x + 15*y= -23. Eq 1

2*x - y= -3. Eq 2. *15

11*x + 15*y= -23. Adding eq 1 and 2

30*x - 15*y= -3

41*x = -26

X= -26/41

X= -1.268

Substituting x =-26/41 in eq 2

2*x - y= -3

-2(26/41) - y= -3

52/41 + y= 3

Y=3-(52/41)

Y= 3- 1.268

Y=1.732

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Answer 2

Answer:

7x -2y =20

11x +15y +23=0

Step-by-step explanation:

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