Question

Find the solution of the pair of equations : 3/x + 8/y = -1; 1/x-2/y=2,

Answer 1

Answer:

X=2 and Y=6

Step-by-step explanation:

3/x + 8/y = -1

1/x + 2/y = 2

= 3y + 8x = -1 _____(1)

= y - 2x = 2 ______(2)

=. y = 2 + 2x ______(3)

Substituting the value of y in eq. 1

There fore,

3y + 8x = - 1

3 (2 +2x) + 8x = - 1

6 + 6x + 8x = - 1

14x = - 1 - 6

14x = - 7

X = 2

Substituting the value of X in eq. 3

There fore,

y = 2 + 2x

y = 2 + 2(2)

y = 2 + 4

y = 6

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