Question

If x=a and y=b is a solution for the pair of equation x-y=2 and x+y=4 find the values of a and b​

Answer 1

Answer:

we get

a - b = 2 → (1)

Adding equation (1) & (2) we get

a + b = 1 → (2)

⇒ 2a = 6

⇒ a = 3

substituting a = 3 in (2) we get b = 1

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