Question

Solve this fast (Maths)

Answer 1

$2x - y = 4b \\ \frac{ax}{3} + by = - 4b \: \: \: \: \: \: \: \: have \: more \: solution \\ so \: \: \: \frac{a1}{a2} = \frac{b1}{b2} = \frac{c1}{c2 } \\ \frac{2 \times 3}{a} \: = \frac{ - 1}{b} = \frac{4b}{ - 4b} \\ \frac{6}{a} = - 1 \\ a = - 6 \\ \frac{ - 1}{b} \: = - 1 \\ b \: = 1$