(a)[1]
$a = 5b + 7$. Find the value of $a$ for $b = -2$.
(b)[2]
$c = 4d - 9$. Rearrange the formula so that $d$ is the subject.
Mathematics 4024 · O Level · Algebraic manipulation
$a = 5b + 7$. Find the value of $a$ for $b = -2$.
$c = 4d - 9$. Rearrange the formula so that $d$ is the subject.