Question

Question 74

If $\frac{-5}{7}=\frac{x}{28},$ find the value of x.

Answer 1

Given, $\frac{-5}{7}=\frac{x}{28}\Rightarrow 7\times x=-5\times 28$ [by cross-multiplication]
$\Rightarrow x=-\frac{5\times 28}{7}=-5\times 4\Rightarrow x=-20$

Hence, the value of $x$ is -20.