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Black_prince [1.1K]
3 years ago
13

(7x+4)-(2x+9) what is the correct answer

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
3 0

[ Answer ]


<u><em>5x - 5</em></u>


[ Explanation ]


<em><u>Remove Parenthesis:</u></em>

7x + 4 - (2x + 9)


- (2x + 9) : -2x - 9


= 7x + 4 -2x - 9


<u><em>Simplify:</em></u>

7x + 4 - 2x - 9 : 5x - 5

= 5x - 5


<u><em><> Eclipsed <></em></u>

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PLEASE HELP SOLVE FOR ‘X’!!!
antoniya [11.8K]

Answer:

x= 10

Step-by-step explanation:

1/5 x -2/3 = 4/3

Add 2/3 to each side

1/5x -2/3 +2/3 = 4/3 +2/3

1/5x = 6/3

1/5x = 2

Multiply each side by 5

1/5x * 5 = 2*5

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3 0
3 years ago
So this has to do with permutations and honestly I need an explanation on how I can figure these out.
AnnZ [28]
Well, the answer quite simple ....there are 4! ways to arrange these numbers...and as 4! = 4*3*2*1 = 24

hence 24 is the correct answer....


u can also remember it by theorem of multiplication as.....in first place (I.e. first code can be any no. out of 4,5,2&7 ....so 4*.....

as first place is acquired by a certain no. that leaves three no. to fill third place and when third place I'd occupied it leaves 2 numbers to fill second place and lastly only one no. to fill the last place .....so it's result will be like 4*3*2*1.



I know this is pretty much confusing ....but still I tried my best....

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6 0
3 years ago
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Effectus [21]

Answer:

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Answer:

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Step-by-step explanation:

Solving the 1st inequality

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Note: If you decide an inequality expression by a negative value, the inequality sign changes)

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