EM-83

Changing the subject of a formula

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

Rearrange the formula

y - 3x = 5z

to make

x

the subject.

$x = \dfrac{y - 5z}{3}$
$x = \dfrac{5z - y}{3}$
$x = \dfrac{y + 5z}{3}$
$x = \dfrac{3y - 5z}{3}$

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