Math, asked by amanthakursharma, 11 months ago

18. If 31 x + 57y = 150 and 57 x + 31 y = 202, then the value of ( x - y)

Answers

Answered by Anonymous

11

Step-by-step explanation:

31x + 57y = 150 --------(1)

57x + 31y = 202 --------(2)

from equation (2) - (1)

26x - 26y = 52

26(x - y) = 52

(x - y) = 2

Answered by Anonymous

1

31x + 57y = 150 --------(1)

57x + 31y = 202 --------(2)

from equation (2) - (1)

26x - 26y = 52

26(x - y) = 52

(x - y) = 2

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