Question

find a and b for which the equation has infinite no of solutions 3x - y = 14 and (a + b)x - 2by = 5a + 2b + 1

Answer 1

$3x - y = 14 \\ 3x = 14 + y \\ x = \frac{14}{3} + \frac{y}{3} \\ x = \frac{14 + y}{3} \\ \\ x = \frac{14 + y}{3} .y \: e \: r$