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3 years ago

The sum of a number and five is multiplied by eight. The result is equal to negative fifty-six. The value of the number is .

Mathematics

2 answers:

k0ka [10]3 years ago

8 0

Answer:

n=-12

Step-by-step explanation:

laila [671]3 years ago

5 0

8(n + 5) = (-56)

First distribute the 8 to both n and 5

8 x 5 = 40
8(n) = 8n

8n + 40 = -56
8n + 40 (-40) = -56 (-40)
8n = -96
8n/8 = -96/8
n = -12

-12 is your answer

Hope this helps

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xxMikexx [17]

Step-by-step explanation:

$\tt{30.16 = 17.56 + 5x}$

Swap the sides of the equation :

⤑ $\tt{17.56 + 5x = 30.16}$

We want to remove the 17.56 first.

Since the original equation is 17.56 , we are going to use the opposite operation and subtract 17.56 from both sides :

⤑ $\tt{5x + 17.56 - 17.56 = 30.16 - 17.56}$

Simplify. 17.56 - 17.56 = 0 on the left. 30.16 - 17.36 = 12.6 on the right.

⤑ $\tt{5x = 12.6}$

Then, we need to think about how to remove the coefficient 5. Since the opposite of multiplication is division , I am going to divide both sides by 5.

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