Comparison of easy and tough absolute value equations, highlighting the difference in complexity.
A comparison of two sets of absolute value equations labeled "Easy" and "Tough," with the "Easy" set on the left and the "Tough" set on the right, showing examples like |2x - 4| = 10 and |3x - 2| + |x - 2| = 12, with an arrow indicating the similarity between the first two equations.