The value of x in the equation (113 × 4-x × 2)/(13 × 9-5 × 7)=5 is · ABC26GN0896
Subject: General Aptitude · Chapter: Simplification · Exam: P.C.S. 2008
The value of $x$ in the equation $\frac{113 \times 4-x \times 2}{13 \times 9-5 \times 7}=5$ is
Answer
Explanation
$\frac{113 \times 4-x \times 2}{13 \times 9-5 \times 7}=5 \Leftrightarrow \frac{452-2 x}{117-35}=5 \Leftrightarrow \frac{452-2 x}{82}=5$ $$\begin{aligned} & \Leftrightarrow 452-2 x=410 \\ & \Leftrightarrow 2 x=452-410=42 \Leftrightarrow x=21 . \end{aligned}$$
Explanation as extracted from the printed page; notation may be imperfect.
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