you scored 40 marks in an Olympiad in which 3marks is awarded for every right answer and one marks is reduced for every wrong answer. represent the situation algebrically in linear equation in two variable draw its graph also.
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Step-by-step explanation:u
Answered by
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Answer:
Step-by-step explanation:
assume that right answer is: x
assume the negative mark is : y
So equation will be: 3x - y= 40
solve this grafically by assuming x and y values
you will get that ....
I believe this may help you.........
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