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Answer: answer to question 17 is r=32/7, answer to question 18 is m=-12, answer to question 19 is k=-9, answer to question 20 is p= No solution, answer to question 21 is x= infinite solutions, answer to question 22 is x= -4.
Step-by-step explanation:
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Answer:
please write this question in English then I give answer
Here you go, i added a bit of explanation as to why i used the numbers to help you understand the method :)