Y=-4 is one of your answers
Answer:
4-13=-9
Step-by-step explanation:
If he got a 23 out of 25 just divide 23 by 25 and your answer would be
Answer-92%
The error Vincent made was that he only multiplied the left side of the inequality with 6 although he had to multiply on both sides
Step-by-step explanation:
Given inequality that the teacher wrote is:

Solving an inequality means that the variable should be isolated on left side of the inequality.
So multiplying both sides by 6

Vincent got the answer is x<-2 = > The error Vincent made was that he only multiplied the left side of the inequality with 6 although he had to multiply on both sides
Keywords: Inequality, solution
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The answer to your problem is f(x)= -12 (x-4)