Answer:
Step-by-step explanation:
they are different because the x at the end of 'y=3.2x' means times by a different number what i mean by this is for example if you had 5x that then means x is a number that you times to 5 and in a question and example of this would be
if x = 5 work out
5x that would give an answer of 25
hope this helps :)
