Mathematics, 11.12.2019 02:31 itzzzabbi
Two numbers add up to 23. 7 times the difference of the two numbers is 21. what are the two numbers?
define the variables: let x = first number, let y = second number
equation 1:
equation 2:
solve the system:
1st number:
2nd number:
show work on how to get the answers.
Answers: 1
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Two numbers add up to 23. 7 times the difference of the two numbers is 21. what are the two numbers?...
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