Question

89x+91y=449, 91x+89y=451​

Answer 1

Answer:

By subtracting we get

89x+91y=449

91x+89y=451

, x-y=1 -------(1)

By adding we get

89x+91y=449

91x+89y=451.

, X+y=5 --------(2)

add eqn (1) and (2)

X+y=5

X-y=1

, X=3 and y=2

Step-by-step explanation:

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