If a number is divisible by 3 and 5 then it is divisible by 15
2 answers:
Answer:
Yes!
Step-by-step explanation:
Besides 15 and one, 3 and 5 are the greatest common factors of 15. Those numbers are therefore divisible by any product of 15.
Example:
45
45/3 = 15
45/5 = 9
45/15 = 3
Answer:
Yes it is
Step-by-step explanation:
Since the multiplication of 3 and 5 will give 15
I.e 3 × 5 = 15
Then any number that can be divided by 3 and 5, can also be divided by 15.
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31 = x
Step-by-step explanation:
First multiply out
2x + 10 = 3x - 21
Now collect terms
10 + 21 = 3x - 2x
Simplify
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Answer:
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Step-by-step explanation:
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Step-by-step explanation:
