Question 1097060

1/3x - 3/2y = 4
2x -by = 20 
in this system of equations b is a constant. If the system has no solution, what is the value of b?
<pre>{{{b <> 1}}}, so IGNORE that, as usual. 
If done right, {{{highlight_green(matrix(1,3, b, "=", 9))}}}