Question

13x+14y=643 find what is the value of two times the product of x and y ?​

Answer 1

Answer:

=2xy=2*6*43 =516

Step-by-step explanation:

13x+14y=643

13(x+y)+y=637+6

13(x+y) +y=13*49 +6

On comparison we get

x+y=49

and y=6

so x=49-6=43

Thus two times the product of x and y

=2xy=2*6*43 =516

Answer 2

Answer:

2xy = 516

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