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s344n2d4d5 [400]
3 years ago
7

Three times the sum of a number and seven is negative thirty-six. What is the number?

Mathematics
2 answers:
Katarina [22]3 years ago
7 0

Answer:

n =-19

Step-by-step explanation:

3* (n+7) = -36

Distribute

3n+21 = -36

Subtract 21 from each side

3n+21-21 = -36-21

3n = -57

Divide by 3

3n/3 = -57/3

n =-19

12345 [234]3 years ago
3 0
It would be -19 for this question
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2 years ago
75% of what number is 42?
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75            42
-----         -----
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---       ------
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6 0
3 years ago
Read 2 more answers
PLEASE HELP i’ll mark brainliest ASAPP
chubhunter [2.5K]

Answer:

C. 4x squared -36

Step-by-step explanation:

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3 years ago
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Answer:

B, D

Step-by-step explanation:

-3(0.15 - 0.2 +0.25p) = -3(-0.05 +0.25p) = 0.15-0.75p

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