Ethan's solution and reasoning for solving an equation are shown below: given: four halves times x minus ten equals thirty step 1: four halves times x minus ten equals thirty reason 1: given step 2: four halves times x minus ten plus ten equals thirty plus ten reason 2: addition property of equality step 3: four halves times x equals forty reason 3: simplify step 4: four halves times x times two fourths equals forty times two fourths reason 4: division property of equality step 5: x = 20 reason 5: simplify choose which reason is incorrect. reason 1 reason 2 reason 3 reason 4