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Alex787 [66]
4 years ago
11

One more than 3 times a number is

Mathematics
1 answer:
Burka [1]4 years ago
7 0

Answer:

n=15/2 or n=7.5. (their two versions of the same number. one in fraction form the other in decimal form.)

Step-by-step explanation:

(n represents 'a number' in this equasion)

3n=5n-15

3n=5n-15

3n-5n=-15 (isolate the variale)

-2n=-15

n=15/2 (a negative divided by a negative is a positive)

n=7.5

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