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Ksju [112]
3 years ago
8

What is the solution to this open sentance? 4x-4=2x+2

Mathematics
2 answers:
BARSIC [14]3 years ago
8 0

Answer:

x=3

Step-by-step explanation:

4x-4=2x+2

Subtract 2x from each side

4x-2x -4 = 2x+2-2x

2x -4 =2

Add 4 to each side

2x -4+4 = 2+4

2x =6

Divide each  side by 2

2x/2 = 6/2

x =3

I am Lyosha [343]3 years ago
7 0

Answer:

x=3

Step-by-step explanation:

The given mathematical statement is

4x-4=2x+2

Group like terms to get

4x-2x=4+2

Simplify

2x=6

Divide both sides by 2

x=3

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-x^2+4x-8 <br>axis of symmerty​
V125BC [204]

Answer:

\boxed {\boxed {\sf x=2}}

Step-by-step explanation:

The axis of symmetry can be calculated using the formula:

x=\frac{-b}{2a}

First we must determine a and b from the quadratic: -x^2+4x-8. This is in standard form, with the highest power first in descending order.

Standard form is also: ax^2+bx+c

If we compare this to the quadratic given, we can conclude that:

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Substitute the values for a and b into the formula.

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Multiply in the denominator.

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Divide.

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--------------------------------------------------------------------------

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