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faltersainse [42]
4 years ago
7

How do you solve 5/x=x-4

Mathematics
1 answer:
alexandr402 [8]4 years ago
6 0
\frac{5}{x}=x-4\\
x\not=0\\
5=x^2-4x\\
x^2-4x-5=0\\
x^2+x-5x-5=0\\
x(x+1)-5(x+1)=0\\
(x-5)(x+1)=0\\
x=5 \vee x=-1
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What is the value of x?: -5x - 16 = 8x - 3
marysya [2.9K]

Answer:

x = -13/3 or -4 1/3 or - 4.333...333

Step-by-step explanation:

-5x - 16 = 8x - 3

-16 = 8x - 3 - 5x

-16 + 3 = 8x - 5x

-13 = 3x

x = -13/3 or -4 1/3 or - 4.333...333

... represents that it has infinite amount of 3's

5 0
3 years ago
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What is the minimum value of 3x + 5y in the feasible region? (0, 7), (3, 7), (6, 3), (6, 0)
Schach [20]

Answer:

The minimum value is 18


It occurs at P(6,0)


Step-by-step explanation:



The given objective function is P(x,y)=3x+5y



The vertices of the feasible region are (0,7),(3,7),(6,3),(6,0).



We plug in the vertices in to feasible region and evaluate to obtain,



P(0,7)=3(0)+5(7)



P(0,7)=0+35


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P(6,0)=3(6)+5(0)




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7 0
3 years ago
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What is y in the equation 7/5y=3-1/5
Rainbow [258]

y=2

<em>I hope I helped you with your solution! If I did, please give me Brainliest, and click the "thanks" button! It would truly make my day!</em>

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4 years ago
3/10x - 1 = 3/4
Allisa [31]
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Then you isolate x by multyiplying the reciprocal of 3/10 on both sides, 10/3.
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You could then simplify it to get 35/6 by finding a greasted common multiple of 12 and 70 which is 2 and dividing both by 2 to get a simpilier answer.

So the answer is x = 35/6
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3 years ago
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it is d

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