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alexira [117]
2 years ago
5

5(a – 1) – 15 = 3(a + 2) + 4

Mathematics
2 answers:
BartSMP [9]2 years ago
5 0

Answer:

a=15

Step-by-step explanation:

5(a - 1) - 15 = 3(a + 2) + 4 \\ 5a - 5 - 15 = 3a + 6 + 4 \\ 5a - 3a = 6 + 4 + 5 + 15 \\ 2a = 30 \\  \\ a =  \frac{30}{2}  \\ a = 15

I hope I helped you^_^

steposvetlana [31]2 years ago
3 0

Answer:

A=15

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Benny was told to practice playing piano for 4/11 of an hour per day. Benny has already played 3/14 of an hour today. How many h
alekssr [168]
Solution:

4/11 = 0.36

3/14 = 0.21

He still needs to play 0.15 of an hour or 3/20 of an hour.


Given facts - Amount he has to play, and the amount he played.
Question - For how long does he need to practice to meet the required time.
Hidden question - There is nothing hidden
Operations used -  divisions (not necessary), subtractions and conversion (only if used division).
Number sentence - 4/11 - 3/14 = x
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Hope it helped,

Happy homework/ study/ exam!





5 0
3 years ago
Pls ans.thanks a lot
yawa3891 [41]

Answer:

you're answer is -2

Step-by-step explanation:

i hope this helped you have a nice day  :)

6 0
3 years ago
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8 0
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Read 2 more answers
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Alexeev081 [22]
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Since 0.63 is greater than 0.36, 36.63 is greater.
7 0
3 years ago
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