Question

The incomplete work of a student to solve an equation is shown below:

Step 1: 3x + 12 = 3
Step 2: ?
Step 3: x = −9 ÷ 3
Step 4: x = −3

What is the missing Step 2?

Answer 1

Subtract 12 from both sides

Answer 2

They subtracted the 12 over to get 3x=-9

Answer 3

\[\huge~\rm~ 3x + 12-12 = 3-12\]

Answer 4

\(\huge\rm\color{red}{3x=-9}\)

Answer 5

Thank you so much