SOLUTION: on a multiple choice exam, a college instructor gives 2 points for a correct answer and -1 for a wrong answer. no points are given for an unanswered question. a student received 82

Question 996126: on a multiple choice exam, a college instructor gives 2 points for a correct answer and -1 for a wrong answer. no points are given for an unanswered question. a student received 82 points on the test. if he left two question unanswered and missed six, how many did he get right? how many questions were there on the exam?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
x, how many wrong
y, how many correct

Simple substitution and a simplification will give you y.
RELATED QUESTIONS
In a multiple-choice test, each question has four options. Students will get 2 points... (answered by stanbon)

In a multiple-choice test, each question has five options. Students will get 3 points for (answered by robertb)

in a multiple choice test each question has four options. students will get 5 points for... (answered by stanbon)

7. In a multiple-choice test, each question has four options. Students will get 4 points... (answered by stanbon)

In a multiple-choice test, each question has five options. Students will get 10 points... (answered by stanbon)

A history exam has 100 multiple choice questions. A student gets 4 points for a correct... (answered by ewatrrr)

. In a multiple-choice test, each question has four options. Students will get 2 points... (answered by richard1234)

In a multiple- choice test, each question has five options. Students will get 3 points... (answered by stanbon)

A multiple-choice exam has four possible answers for each question. For each correct... (answered by mommacrafton)