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GREYUIT [131]
3 years ago
5

What is -2x-18=-4x-6 need step by step

Mathematics
2 answers:
Whitepunk [10]3 years ago
8 0

-2x-18= -4x=6

First, add 4x on both sides

-2x - 18= -4x-6

+ 4x      + 4x

2x-18=-6

Second, add 18 on both sides

2x-18= -6

  +18  +18

2x=12

Last, divide 2 on both sides

2x/2=12/2

x=6

Kazeer [188]3 years ago
6 0

Answer:

\boxed {x = 6}

Step-by-step explanation:

Solve for the value of x:

-2x - 18 = -4x - 6

-Take 4x and add it to -2x:

-2x - 18 + 4x = -4x + 4x  - 6

2x - 18 = -6

-Add both sides by 18:

2x - 18 + 18 = -6 + 18

2x = 12

-Divide both sides by 2:

\frac{2x}{2} = \frac{12}{2}

\boxed {x = 6}

Thus, the value of x is 6.

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Answer:

Option # C: 5

Step-by-step explanation:

Decision variables, as the name imply are entities that can have different values in the given scenario and which in turn produce different outcomes. For our question, the variables are the sizes of TVs available, as the production time and profit depend on the sizes. Hence, TV sizes (i.e. 5) are our decision variables.

Furthermore, it does not matter on which machine the TVs are being manufactured as they will take identical time for same TV size. Thus we do not consider the number of machines as our decision variables.

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3 years ago
Can someone help me figure this one out?
Alekssandra [29.7K]

the equation of the line is

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3 years ago
Using the quadratic formula to solve 4x2 – 3x + 9 = 2x + 1, what are the values of x?
yaroslaw [1]

Answer:

The value of x is:

x=\dfrac{5\pm \sqrt{103}i}{8}

Step-by-step explanation:

we have to use the quadratic formula to solve for x.

The equation is given as:

4x^2-3x+9=2x+1

which could also be written as:

4x^2-3x+9-2x-1=0\\\\4x^2-3x-2x+9-1=0\\\\\\4x^2-5x+8=0

The quadratic formula for the quadratic equation of the type:

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Here we have:

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Hence, by the quadratic formula we have:

x=\dfrac{-(-5)\pm \sqrt{(-5)^2-4\times 8\times 4}}{2\times 4}\\\\x=\dfrac{5\pm \sqrt{25-128}}{8}\\\\\\x=\dfrac{5\pm \sqrt{103}i}{8}

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x=\dfrac{5\pm \sqrt{103}i}{8}

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