Question

if x = 2 and Y =1 is solution for the pair of equations x - y - 1 =0 and X + k y -5 =0 then find the value of k​

Answer 1

Answer:

x + ky - 5 = 0

2 + k - 5 = 0

K = 7

Step-by-step explanation:

Answer 2

$\Rightarrow\Huge\boxed{K = 1}$

$\huge\underline\mathfrak\purple{Answer}$

$\frac{a1}{a2} = \frac{b1}{b2} = \frac{c1}{c2} . \\ \\ \frac{2}{2} = \frac{ - 1}{ - k} . \\ \\ - 2k = - 2. \\ \\ k = \cancel \frac{2}{2} . \\ \\ k = 1.$

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