Question

b) y = 5x + 50 c) y = 3x + 50​

Answer 1

$b)y = 5x + 50 \\ y - 50 = 5x \\ \frac{y - 50}{5} = x \\ x = \frac{y - 50}{5}$

$c)y = 3x + 50 \\ y - 50 = 3x \\ \frac{y - 50}{3} = x \\ x = \frac{y - 50}{3}$