Question by Huy Toàn 8A (TL) - Discuss with MathYouLike

Huy Toàn 8A (TL)

02/08/2018 at 07:07

\(\dfrac{12x-15y}{7}=\dfrac{20z-12x}{9}=\dfrac{25y-12z}{11}\)

and \(x+y+z=48\)

Math 7

List of answers

Cristiano Ronaldo 02/08/2018 at 11:54

Find $x; y; z$

$\frac{12 x - 15 y}{7} = \frac{20 z - 12 x}{9} = \frac{25 y - 12 z}{11}$

and $x + y + z = 48$

Answer: x=12 ; y=15 , z=21 ( i think so)
Huy Toàn 8A (TL) 02/08/2018 at 13:55

You should answer question clearly
Huy Toàn 8A (TL) 02/08/2018 at 13:48

Question clearly

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