EM-89

Changing the subject of a formula

E Math · Secondary 3 · Medium · Changing the subject of a formula

Rearrange the formula

p + \dfrac{4q}{3} = r

to make

q

the subject.

$q = \dfrac{3(r - p)}{4}$
$q = \dfrac{3(r + p)}{4}$
$q = \dfrac{4(r - p)}{3}$
$q = \dfrac{r - p}{12}$

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