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Fraction cross multiplication


Definition

Given an equation between two fractions or rational expressions, one can cross-multiply to simplify the equation or determine the value of a variable.

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Problems Solved

$\frac{20}{3x+2}=5$
$\log_3\left(56\right)-\log_3\left(n\right)=\log_3\left(7\right)$
$\log_y\left(35\right)=5$
$\frac{7x-5}{2}=\frac{2x-1}{3}$
$\log_x\left(\sqrt[4]{125}\right)=\frac{3}{2}$
$\frac{g-4}{g+8}=\frac{g+4}{4}$
$\frac{6}{x-1}=\frac{9}{x+1}$
$\log_x\left(3\right)=d$

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