Question

Solve the pair of linear equation: -4X+Y=1 and 6X-5Y=9​

Answer 1

Answer:

(X, Y) = (-1, -3)

Step-by-step explanation:

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The given equations are

-4X + Y = 1 ---------------------(1)

6X - 5Y = 9 --------------------(2)

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Multiplying (1) by 5 we get

- 20X + 5Y = 5 ----------------(3)

Adding (2) and (3) we get

- 20X + 6X = 5 + 9

- 14X = 14

X = - 1

Substituting this value in (1), we get

- 4* (-1) + Y = 1

4 + Y = 1

Y = - 3

So, (X, Y) = (-1, -3)