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ArbitrLikvidat [17]
3 years ago
11

What is five times a number less than 18 is equal to 13

Mathematics
2 answers:
kotegsom [21]3 years ago
8 0
5n-18=13 so I think it's n=31
grigory [225]3 years ago
4 0
Let's say the number is x

5 times a number is 5 times x or 5x

5 times a number less than 18  means 18 decreased by 18 times a number or 18-5x

equals 13

18-5x=13
minus 18 both sides
-5x=-5
divide both sides by -5
x=1

the number is 1
the phrase is 18-5x=13 where the number is x
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