EM-31

Changing the subject of a formula

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

It is given that

P = 3x - 2y

. Express

x

in terms of

P

and

y

.

$x = \dfrac{P + 2y}{3}$
$x = \dfrac{P - 2y}{3}$
$x = 3P + 2y$
$x = \dfrac{P}{3} - 2y$

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