Answer:
when x = 3, x would equal 3 since x can be substituted as 3, aka chancge any xes into 3 if they give you yhat info
Step-by-step explanation:
Answer:

Step-by-step explanation:
Here is one example:




Is there a answer choice of -5
The mistake is in line 2, the parenthesis means multiplication therefore it has to be 3x
B is the answer I think is correct