Question

Step 1: 3x + 12 = 3 Step 2: ? Step 3: x = −9 ÷ 3 Step 4: x = −3 What is the missing Step 2? 3x = 9 3x = 15 3x = −9 3x = −15

Answer 1

3x=-9 is the missing step

Answer 2

The missing step is to subtract 12 from both sides of the equation.

The step would be:

3x = -9