Q: What do 9 and 13 both go into?

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Not evenly.

9/13 is already in simplest form. 13 is prime, it can't be divided by anything.

Answer: y= -1 Solution: 4 - 2 y = 7 y + 13 subtract 7 y from both sides: 4 - 2 y - 7 y = 7 y + 13 - 7 y 4 - 9 y = 13 subtract 4 form both sides: 4 - 4 - 9 y = 13 - 4 - 9 y = 9 now divide both sides by - 9: -9 y / - 9 = 9 /-9 y = -1

13 times 11 = 143.So they both go into any integral multiple of 143.

9 can go into 123 = `13 times!

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Their LCM is 117

There are 13.

13 is a prime number so only 13 and one can go into it

16 and 13 both go into any multiple of 208 .

36

4

They both go into 1440, for example.

Not evenly.

9/13 is already in simplest form. 13 is prime, it can't be divided by anything.

Answer: y= -1 Solution: 4 - 2 y = 7 y + 13 subtract 7 y from both sides: 4 - 2 y - 7 y = 7 y + 13 - 7 y 4 - 9 y = 13 subtract 4 form both sides: 4 - 4 - 9 y = 13 - 4 - 9 y = 9 now divide both sides by - 9: -9 y / - 9 = 9 /-9 y = -1

The number = 9Working:n - 5 = 13 - n(+ 5 on both sides)n = 18 - n(+ n on both sides)n + n = 18= 2n = 18(divide both sides by 2)n = 9So...9 - 5 = 13 - 9(9 - 5 = 4)(13 - 9 = 4)

13 times 11 = 143.So they both go into any integral multiple of 143.