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4 years ago

Fifteen less than eight times a number (n) is twenty seven in equation form

Mathematics

1 answer:

Zepler [3.9K]4 years ago

5 0

Answer:

x = -4/5 = -0.800

Step-by-step explanation:

Pull out like factors :

-12 - 15x = -3 • (5x + 4)

Solve :

-3 = 0

Solve :

5x+4 = 0

5x = -4

x = -4/5 = -0.800

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4 years ago

If 3x−y=12, what is the value of 8x 2y ?

anygoal [31]

If 3x-y=12, what is the value of 8x/2y?

Answer:

$\frac{8x}{2y} =\frac{4x}{3x-12}$

Step-by-step explanation:

$3x-y=12$

$-y=12-3x$

$y=3x-12$ -------------------------(equation 1)

Now,

$\frac{8x}{2y} =\frac{8x}{2(3x-12)}$ ---------(from equation 1)

$=\frac{8x}{6x-24}$

$=\frac{8x}{2(3x-12)}$

$=\frac{4x}{3x-12}$

Therefore, the value of $\frac{8x}{2y} =\frac{4x}{3x-12}$

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3 years ago

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3 years ago

1. Solve for x. Show each step of the solution. 4.5(8 - X) + 36 = 102 - 2.5(3x+24) Answer:

tatuchka [14]

Answer:

x= -10

Step-by-step explanation:

4.5(8 - x) + 36 = 102 - 2.5(3x + 24)

4.5(8) - 4.5(x) + 36 = 102 - 2.5(3x) -2.5(24)

36 - 4.5x + 36 = 102 - 7.5x - 60

72 - 4.5x = 102 - 7.5x - 60

-4.5x = 102 - 7.5x - 60 - 72

-4.5x + 7.5x = -30

3x = -30

x = -30/3

x = -10

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3 years ago

Based on the estimated cost of college from step 1, determine how you are going to pay for college. You will need to do some res

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Loan - 12.76% = $7, 400

$58,000

<h3>What is budgeting?</h3>

Budgeting is simply the process of outlining the total expense requirements of an individual person or a corporate entity and how those expenses will be satisfied and efficiently allocated.

From the above, the total sum of $58,000 will be satisfied from three sources:

Scholarships
Work-Study; and
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Learn more about budgeting at;

brainly.com/question/24940564
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2 years ago