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Fudgin [204]
4 years ago
9

The sum of three and seven times a number is -74. What is the number?

Mathematics
2 answers:
Dima020 [189]4 years ago
7 0
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Form an equation with 'x' as the unknown number

7x + 3 = -74

Subtract 3 from both sides:

7x = -77

Divide both sides by 7:

x = -11

The number is -11

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

Komok [63]4 years ago
4 0

The answer to this question is -7.4, hope this helped!

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Answer:

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Step-by-step explanation:

Dado que al principio Eduardo y Adrián tenían el mismo número de dulces, y Eduardo le dio a Adrián la mitad de los dulces que tenía, y después, Adrián le dio a Eduardo la mitad de los dulces que tenía él en ese momento, así que a Adrián le quedaron 12 dulces, para determinar cuántos dulces tenía Eduardo al final se debe realizar el siguiente cálculo:

Eduardo 1X = Adrián 1X

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Eduardo 1.25X = Adrián 0.75X

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Así, al final, Eduardo tenía 20 dulces.

6 0
3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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