Example

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

Question

$$2\frac{1}{2}\div(1-\frac{1}{2}); \frac{1}{2}$$

Answer

(21/2)/(1/2);1/2

Solution


Simplify  \(1-\frac{1}{2}\)  to  \(\frac{1}{2}\).
\[\begin{aligned}&\frac{\frac{21}{2}}{\frac{1}{2}}\\&\frac{1}{2}\end{aligned}\]
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