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Lerok [7]
3 years ago
10

If m = 9, what is the value of the expression 3m - 4?

Mathematics
2 answers:
fomenos3 years ago
8 0

Answer:

23

Step-by-step explanation:

  1. let's subsitute into 3m-4 using 9
  2. 3(9)-4
  3. now let's multiply 3*9 which is 27
  4. 27-4 = 23
  5. we are done :)
larisa [96]3 years ago
6 0

Answer: 23

Step-by-step explanation:

3(9) - 4

27 - 4

23

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3 years ago
Write an equation with a variable AND solve it. Mario read 72 pages of his book in class and 13 pages per night, n, until he rea
coldgirl [10]

9514 1404 393

Answer:

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Step-by-step explanation:

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__

To solve this, we can subtract 72, then divide by the coefficient of n.

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