Question

Which is the first INCORRECT step in the solution below?

Solve: 3 – 2(x + 6) = x + 6

Step 1: 3 – 2x – 12 = x + 6

Step 2: 15 – 2x = x + 6

Step 3: 15 = 3x + 6

Step 4: 9 = 3x

Answer 1

its is step 2

Explanation:

the correct step is 3-2x-12=x+6

9-2x=x+6

9=3X+6

3=3x