Question

लीनियर इक्वेशन आर गिवन बिलो 5 x minus 4 y + 8 = 0 7 x + 6 y - 9 = 0

Answer 1

Answer:

$5x - 4y + 8 = 7x + 6y - 9 = 0 \\ 5x - 7x - 4y - 6y = - 9 - 8 + 0 \\ - 2x - 10y = - 19 \\ - 10y = - 19 + 2x \\ when \: x = 2 \\ - 10y = - 19 + 2 \times 2 \\ - 10y = - 19 + 4 \\ - 10y = - 15 \\ y = - 15 \div - 10 \\ y = \frac{3}{2}$