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Kobotan [32]
3 years ago
6

Whats the value of x? -5(x + 7) = -14 + 2x

Mathematics
2 answers:
KengaRu [80]3 years ago
7 0

Answer:

x = -3

Step-by-step explanation:

First, we compute -5(x + 7). -5(x + 7) = -5x - 35. Plugging this into the equation, we have -5x - 35 = -14 + 2x Next, we combine like terms by moving all terms with the variable x to the left side. We have -5x - 2x = -14 + 35. We simplify the equation into -7x = 21. Divide 21 by -7, and we get x = -3.

mars1129 [50]3 years ago
6 0

Answer: x=-3

Step-by-step explanation:

Ok let's start by using the distributive property

(-5)(x)+(-5)(7)=-14+2x\\-5x-35=-14+2x

Now subtract 2x from both sides

-5x-35-2x=2x-14-2x\\-7x-35=-14

Next add 35 to both sides

-7x-35+35=-14+35\\-7x=21

Finally divide both sides by -7

\frac{-7x}{-7} =\frac{21}{-7} \\x=-3

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3 0
3 years ago
Given:
Mamont248 [21]

Option a. 11 is the right answer

Step-by-step explanation:

To find the value of a function on particular input, the value is put in the function in place of variable

Given function is:

f(x) = \left \{ {{3x-7\ \ \ x>0} \atop {2x+3\ \ \  x

As we have to find f(6) and x>0 the part of function 3x-7 will be used

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Option a. 11 is the right answer

Keywords: Functions, Variables

Learn more about functions at:

  • brainly.com/question/4021035
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#LearnwithBrainly

8 0
3 years ago
A rectangle has an area of 240 square meters and a width of 15 meters.
fredd [130]
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Population Growth The population of a town of 5000
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a) A=5000{(1.03)}^{t}

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Step-by-step explanation:

The formula used for compound interest becomes very helpful in this case.

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Knowing this, we can easily calculate the value for any year, counting from the original 5000.

From this formula, we can derive a specific one that will serve for any value of <em>t</em>.

a)

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The town will have 5464 inhabitants.

5 0
4 years ago
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