Simonne used the following steps to simplify the given expression.

12 - 3 (-2x + 4)

Step 1: 12 + (-3) · (-2x) + (-3) · (4)

Step 2: 12 + 6x + (-12)

Step 3: 12 + (-12) + 6x

Step 4: 0 + 6x

Step 5: 6x

What property of real numbers was used to transition from Step 3 to Step 4?

Question

Jared Bradford

29 November, 16:14

+4

Answers (1)

Know the Answer?

Hanna Dickerson · Answer 1

Additive inverse property : a + (-a) = 0

Simonne used the following steps to simplify the given expression.12 - 3 (-2x + 4)Step 1: 12 + (-3) · (-2x) + (-3) · (4)Step 2: 12 + 6x + (-12)Step 3: 12 + (-12) + 6xStep 4: 0 + 6xStep 5: 6xWhat property of real numbers was used to transition from Step 3 to Step 4?