Consider the following equations.

Solving the second equation for x requires the same logic as solving the first equation for x.

Look at the answer for the second equation in Exercise 82(b). What restriction must be placed on the variables? Why is this necessary?

Data from in Exercise 82(b)

(b) Divide each side of the second equation by the coefficient of x.

First Equation 7x + 8 3 = 12 Second Equation ax + k C = = t (c = 0)