Heidi solved the equation 3 (x + 4) + 2 = 2 + 5 (x - 4). Her steps are below: 3x + 12 + 2 = 2 + 5x - 20 3x + 14 = 5x - 18 14 = 2x - 18 32 = 2x 16 = x Use the drops-downs to justify how Heidi arrived at each step. Step 1: Step 2: Step 3: Step 4: Step 5:

Question

Carsen Gardner

Mathematics

9 April, 14:19

Heidi solved the equation 3 (x + 4) + 2 = 2 + 5 (x - 4). Her steps are below: 3x + 12 + 2 = 2 + 5x - 20 3x + 14 = 5x - 18 14 = 2x - 18 32 = 2x 16 = x Use the drops-downs to justify how Heidi arrived at each step. Step 1: Step 2: Step 3: Step 4: Step 5:

+1

Answers (1)

Know the Answer?

Hunter Alexander · Answer 1

3 (x + 4) + 2 = 2 + 5 (x - 4)

First step: Apply the distributive property of multiplication:

3 (x + 4) + 2 = 2 + 5 (x - 4) = > 3x + 12 + 2 = 2 + 5x - 20

What should Heidi do next? Try doing it yourself and then naming it.