A classmate solved this equation on an exam 2(x+1)+1=5
Your classmate used these steps
Original equation
2(x + 1) + 1 = 5
STEP 1
2 (2+1) = 4
STEP 2
(x + 1) = 2
STEP 3
2=3
Is this correct? You checked the solution and got a solution of x = 1.
In which step did your classmate make an error?
A
All steps are correct
B
STEP 3
С
STEP 2
D
STEP 1