Question

the solution of X/2+y/9=11 and X/3+y/6=9 is ?​

Answer 1

Answer:

solution of first one is 9x+2y =198and second one is 2x+y =54 solving these two7x+y =144

Answer 2

Answer:

9x+2y/18=11

9x+2y=198. equation (1)

2x+y/6=9

2x+y=54. equation (2)

(1)-(2)×2

9x+2y=198

-4x-2y=-108

____________

5x=90

x=90/5

x=18

put the value of x in equation (2)

2×18+y=54

y=54-36

y=18

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