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goblinko [34]
4 years ago
6

4 = z + 7 need help with this ?

Mathematics
2 answers:
Alex73 [517]4 years ago
5 0
To solve, we would use inverse operations.

4 - 7 = z + 7 - 7
= -3 = z

z = -3

Hope this helps! Have an awesome day :)
4vir4ik [10]4 years ago
4 0
The answer is -3 = z
Because -3 plus 7 is 4.
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trains on two different routes at the same train station. Train on one route stop there every 9 minutes and trains on the other
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When the train on one route stop there every 9 minutes and trains on the other route stop there every 6 minutes, the time when they will stop at same time is 18 minutes.

<h3>How to illustrate the information?</h3>

From the information, the train on one route stop there every 9 minutes and trains on the other route stop there every 6 minutes.

Therefore, the time when will they stop at same time will be the lowest common multiple for 9 and 6. This is 18. Therefore, 18 minutes is the appropriate answer.

Therefore, the the time when they will stop at same time is 18 minutes.

Learn more about factor on:

brainly.com/question/25829061

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Trains on two different routes at the same train station. Train on one route stop there every 9 minutes and trains on the other route stop there every 6 minutes. When will they stop at same time?

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