Question

if 3x-2y=5 and x+3y=9 find (xy) ​

Answer 1

Answer:

Sorry not know.....................

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Step-by-step explanation:

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Answer 2

Answer:

x = 3 and y =2

(xy) = 6

Step-by-step explanation:

3x-2y=5 _______(1) and. x+3y=9______________(2)

x+3y=9

x=9-3y _____________(3)

Substituting the value of x ( equation 3) in equation 1, we get

3x-2y=5

3(9-3y)-2y=5

27-9y-2y=5

27-11y=5

-11y=5-27

-11y= -22

y= -22/-11

y=2_____________(4)

Substituting the value of y ( equation 4) in equation 3, we get

x=9-3y

x=9-3(2)

x=9-6

x=3

Therefore, x=3 and y=2.

Thus, (xy)=(3)(2)

(xy)=6

Hope this helps you.