Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{ x }{ 4 } =- \frac{ 20 }{ 16 }$$

Answer

x=-5

Solution


Simplify  \(\frac{20}{16}\)  to  \(\frac{5}{4}\).
\[\frac{x}{4}=-\frac{5}{4}\]
Multiply both sides by \(4\).
\[x=-\frac{5}{4}\times 4\]
Cancel \(4\).
\[x=-5\]
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