Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make each equation true.
What is the largest possible value that the coefficient of b can be?
4 + a = 9
3 * b = 6
c – 7 = 1
a = 5, b = 2, c = 8
There are likely other solutions as well.
Source: Robert Kaplinsky