(b) The sum of the number s and twice the number y is 15.
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Answered by
1
Answer:
y=5 x=10. Explanation: Let x be a number and let y be the other number: x+y=15 x=2y. Substitute 2y for x : 2y+y=15 3y=15. y=5 x=10.
Answered by
2
Answer:
sum of numbers y +y = 15
twice the number y = 15
ie,2y=15
y=15/2
y=7.5
7.5 is the answer
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