Question

What function is the inverse of y=-3x+6/7

Answer 1

Y = -3x + 6/7
switch the x and y, then solve for y:
$y = -3x + \frac{6}{7} \\ x = - 3y + \frac{6}{7} \\ 3y = - x + \frac{6}{7} \:$
$3y \div 3 = (- x + \frac{6}{7}) \div 3 \\ y = - x \div 3 \: + \frac{2}{7}$
y = -x/3 + 2/7