Question 1032860
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F=first number; S=second number
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F=4S-1 . Use this to substitute for F below.
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F+S=19 . Substitute for F from above.
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(4S-1)+S=19
5S=20
S=4 The second number is 4
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F=4S-1
F=4(4)-1
F=16-1=15 The first number is 15.
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ANSWER: The numbers are 4 and 15.
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