EM-1463

Changing the subject of a formula

E Math · Secondary 4 · Medium · Changing the subject of a formula

1. $p = 2(r+s) + 3q$
2. $p = 2(r+s) - 3q$
3. $p = \dfrac{r+s}{2} + 3q$
4. $p = 2r + s + 3q$

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