turkey-yks 2012 Q10

turkey-yks · Other · ygs Simultaneous equations
For real numbers $x , y$ and $z$
$$\begin{aligned} & x \cdot y = 14 \\ & x \cdot z = 20 \\ & 3x + 2y + z = 24 \end{aligned}$$
Given that, what is x?
A) $\frac { 8 } { 3 }$
B) $\frac { 14 } { 5 }$
C) 3
For real numbers $x , y$ and $z$

$$\begin{aligned} & x \cdot y = 14 \\ & x \cdot z = 20 \\ & 3x + 2y + z = 24 \end{aligned}$$

Given that, what is x?\\
A) $\frac { 8 } { 3 }$\\
B) $\frac { 14 } { 5 }$\\
C) 3