Question

solve the pair of equations by eliminating method 99x+101y=499 & 101x+99y=501

Answer 1

Answer:

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Answer 2

Answer: x=3 y =2

Step-by-step explanation:

99x + 101y = 499

101x + 99y = 501

Adding both the equations we get

200x + 200y = 1000

Or

x+ y = 5 -----------(a)

Now if we subtract the equations we get

2x - 2y = 2

Or

x-y = 1 ---------- (b)

Now adding equation (a) and (b) we get

2x = 6

x = 6/2

x= 3

Putting it in equation we get the value of y as

x+y = 5

3+y=5

y = 5-3

y= 2

Hope you get your answer

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