Answer:
either the second one or the fourth one. good luck
Step-by-step explanation:
It’s 1
...................
S1: 7x - 4x - 2 = 6 OK
S2: 3x - 2 = 6 OK
S3: 3x - 2 + 2 = 6 WRONG, correct is 3x - 2 + 2 = 6 + 2
Answer: c. Step 3, because a number has been added only to one side of the equation.
Answer:
0.93
Step-by-step explanation: