Example

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

Question

$$\frac{1}{3}\div\frac{1}{4}+\frac{1}{2}; /$$

Answer

4/3+1/2;/

Solution


Invert and multiply.
\[\begin{aligned}&\frac{1}{3}\times 4+\frac{1}{2}\\&/\end{aligned}\]
Simplify  \(\frac{1}{3}\times 4\)  to  \(\frac{4}{3}\).
\[\begin{aligned}&\frac{4}{3}+\frac{1}{2}\\&/\end{aligned}\]
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