Solve equations that need several helpful moves. This version includes harder fraction structures such as (3x + 4)/2 = 17 and (x + 2)/3 + 1 = 6, shown with proper stacked fractions.
Working history
Step 0
Note: dividing by zero is blocked because it is undefined. Multiplying by zero is allowed as a demonstration, but the program warns that it destroys the information about the original value of x. New random questions include positive and negative solutions, and some answers may be fractions.