Question

3X + 4 Y =24 aur 20 x -11y =47 ka substitution method​

Answer 1

Answer:

X=6.6, y=1.3

Step-by-step explanation:

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Explanation given below

Answer 2

3x+4y=24

20x-11y=47

3x=24-4y

x=24-4y/3

20(24-4y/3)-11y=47

(480-80y)/3-11y=47

480-80y-33y=141

480-141=113y

339=113y

y=3

x=24-4y/3

x=24-12/3

x=4