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Solution assignment 05 Equations with fractions

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Assignment 5

Solve:

\displaystyle\frac{4-2x}{3}=-5-x

Solution

It seems that we have only one fraction (in the left-hand side) but that is not the case. We can write:

\displaystyle\frac{4-2x}{3}=\displaystyle\frac{-5-x}{1}

Cross-multiplication yields:

4-2x=3(-5-x)

x=-19

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