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77julia77 [94]
3 years ago
7

Help with graph question

Mathematics
1 answer:
Gala2k [10]3 years ago
6 0
The first thing we are going to do to graph our equation is solve them for y:
For our first equation:
4x-5y=50
-5y=20-4x
y= \frac{4}{5} x-4
For our second equation:
3x+y=-4
y=-3x-4

Now, we just need to use the graphing utility to graph our equations:
y= \frac{4}{5} x-4
y=-3x-4

We can conclude that the graph of the equations is:

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Twice a number, increased by the sum of the same number and five.
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Answer:

2x+(x+5)

not 100% sure but this is what i got

Step-by-step explanation:

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3 years ago
What is the solution of |x- 5|-2=10?
Lelu [443]

Answer:

x=17, x=-7

Step-by-step explanation:

Step  1  :

Rearrange this Absolute Value Equation

Absolute value equalitiy entered

     |x-5|-2 = 10  

Another term is moved / added to the right hand side.

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Step  2  :

Clear the Absolute Value Bars

Clear the absolute-value bars by splitting the equation into its two cases, one for the Positive case and the other for the Negative case.

The Absolute Value term is |x-5|

For the Negative case we'll use -(x-5)  

For the Positive case we'll use (x-5)  

Step  3  :

Solve the Negative Case

     -(x-5) = 12  

    Multiply

     -x+5 = 12  

    Rearrange and Add up

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    Multiply both sides by (-1)

     x = -7  

    Which is the solution for the Negative Case

Step  4  :

Solve the Positive Case

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    Rearrange and Add up

     x = 17  

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Step  5  :

Wrap up the solution

x=-7

x=17

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3 years ago
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I need help with this
V125BC [204]

Answer:

#1-

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Step-by-step explanation:

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Step-by-step explanation:

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