3 (2x-3) = 3x+12

step 1: 6x-9=3x+12

step 2: 3x-9=12

step 3: 3x=3

step 4: x=1,

which is the first incorrect step in the solution set

Question

Abbie Bauer

10 May, 01:20

+4

Answers (2)

Know the Answer?

Preston Delacruz · Answer 1

Actually step 3 is the first incorrect step, to isolate 3x in step two you must add 9 on both sides, resulting in 3x=21, which would make x=7.

Gerald · Answer 2

step 2

Step-by-step explanation:

12 cannot be divided by 9

3 (2x-3) = 3x+12step 1: 6x-9=3x+12step 2: 3x-9=12step 3: 3x=3step 4: x=1,which is the first incorrect step in the solution set