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I don’t get number seven someone help
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5 votes
I don’t get number seven someone help

I don’t get number seven someone help-example-1
User Vincent Mathew
by
3.6k points

2 Answers

4 votes

Explanation:


(x + 2x + 3x + 4x)/(x . x\\) = 9

=>
(10x)/(x^(2) ) = 9

=>
(10)/(x) = 9

=> x =
(10)/(9)

And answer (C) 1
(1)/(9) =
(10)/(9) = x

User Joseph Victor
by
2.7k points
3 votes

Answer:

1 1/9 =x

Explanation:

x+2x+3x+4x

----------------------- =9

x*x

10x

-------=9

x^2

10

----=9

x

10 = 9x

10/9 =x

1 1/9 =x

User Hossein Bajan
by
3.4k points
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