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Savatey [412]
3 years ago
8

The sum of 3 less than 5 times a number and the number increased by 9 is 24.what is the number

Mathematics
2 answers:
Crazy boy [7]3 years ago
8 0

Answer: x=3

Step-by-step explanation:

3 less than 5 times a number" --> 5x−3

"number increased by 9" --> x+9

The sum of 24

5x−3+x+9=24

6x+6=24

6x=18

x=3

Therefore, the number is 3

AveGali [126]3 years ago
6 0

Answer:

2

Step-by-step explanation:

24-9 =n (24- 9 = 15) n=15 5n (5 x 15 = 75) n - 3 ( 75- 3 = 2) the number is 2!

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Maksim231197 [3]

to get the equation of any straight line all we need is two points, well, let's just grab them from the table.

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lukranit [14]

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3x + y + 4z = −12   ---> second equation

x + 3y + 4z = 4   ---> third equation

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8x + 16y -12z = -28

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

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multiply third equation by -1  and add second and third equation

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

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Multiply equation 4 by 2 and equation by 19

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

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Divide by 72 on both sides

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Now plug in 2 for y  and -6 for x

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So z=1

So x= -6, y = 2  and z= 1





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3 years ago
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