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Sav [38]
3 years ago
14

Write and solve an equation to find the number n. The difference of three times a number and 4 is -19.

Mathematics
1 answer:
Law Incorporation [45]3 years ago
4 0

Answer:

-5

Step-by-step explanation:

Let n be the unknown number

difference is subtraction

3n -4 = -19

Add 4 to each side

3n-4+4 = -19+4

3n = -15

Divide by 3

3n/3 = -15/3

n = -5

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3. A mysterious metal medallion has a mass of 3,088 grams. Water is poured into a graduated glass container with a 10-by-10 cm s
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8 0
3 years ago
Graph the solution of 2 ≥ 4 - v
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For this case we have the following inequality:
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See attached image.

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