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guapka [62]
3 years ago
14

Three times a number (n) is 36 less than five times the number (n). What is the number?

Mathematics
2 answers:
borishaifa [10]3 years ago
6 0

18

i am doing it on edg 2020 now

rodikova [14]3 years ago
5 0

Answer:

18

Step-by-step explanation:    

To find the number, write an algebraic equation with the given information. Let the variable n represent the unknown number.

Now, break it by parts - "three times a number" would be 3n. The "is" means that it equals something, giving us 3n =. "36 less than 5 times the number" would be subtracting 36 from whatever 5 times the number is: 5n -36. So, put it all together and it is 3n = 5n-36.

Next, solve the equation for n. The answer will be the number.

3n = 5n-36\\0 = 2n - 36\\36 = 2n \\n = 18

Thus, the number is 18.

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