Question

xy+4x-3y=1 va rog ajutatima

Answer 1

$xy + 4x - 3y = 1 \\ \\ xy + x \times 4 = 3y + 1 \\ \\ x(y + 4) = 3y + 1 \\ \\ \frac{x(y + 4)}{y + 4} = \frac{3y}{y + 4} + \frac{1}{y + 4} \\ \\ x = \frac{3y}{y + 4} + \frac{1}{y + 4} => x = \frac{3y + 1}{y + 4}$