John is 12 years older than Miles. Five years ago, John was two times as old as Miles was back then. How old are John and Miles
2 answers:
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Answer:
When y=7,9 the answer is yes when it = -10,-8 the answer is no.
Step-by-step explanation:
Simple substitution gets us the resulting values. for y=7 we get which is true. For y=9 we get
which is also true. For the other values we get a negative number which is not a solution.