Question

If x+3=15 and x+y=3, then, find the value of xy/x-y pls answer fast.

Answer 1

Step-by-step explanation:

x+3=15,x+y=3=3+3=6 =15-3=12 =x=12 is the correct answer

Answer 2

Answer:

xy / (x-y) = -9/4

Step-by-step explanation:

Answer:

Step-by-step explanation:

x+3=15

=>x=15-3

=>x=12

Also,

x+y=3

=>12+y=3

=>y=3-12

=>y= -9

xy=3×(-9)= -27

x-y=3-(-9)=3+9=12

so,

xy/(x-y) = -27/12

=>xy/(x-y)= -9/4

HOPE IT HELPS,

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