In order to figure out how much money she needs for her trip to the store, Jessica has to solve this equation, 2(x + 1) +1=5
She completes the problem as seen in the steps below.
2(x + 1) +1=5
Step 1: 2(x + 1) = 4
Step 2: (+ 1) = 2
Step 3:
This can't be right! She checks her solution and realizes the answer is = 1.
In which step did Jessica make an error?
Step 1.
Step 2
Step 3
Al the steps are correct,