Question

find k if kx 2y-1,5x-3y 2

Answer 1

$kx + 5x - 3y {}^{2} \\x + 2y - 1 = 0 \\ x + 2y = 1 \\ 2yx = 1 \\ xy = 2 \\ k(2) + 5(2) - 3(2) {}^{2} = 0 \\ k2 + 10 - 12 = 0 \\ k2 - 2 = 0 \\ k2 = 2 \\ k = \frac{2}{2} \\ k = 1 \\ answer$