(a(i))[1]
Solve $\frac{y}{4}=8$ for $y$.
(a(ii))[2]
Solve $3-4x = 2x + 12$ for $x$.
(b(i))[2]
Given $w = 5x - 6y$, find the value of $w$ when $x = 6.2$ and $y = -1.8$.
(b(ii))[2]
Rearrange the formula so that $x$ is the subject.
(c)[2]
Factorise $15y - x^2 - 3xy + 5x$ completely.
(d)[4]
Write the expression as one fraction in its simplest form: $\frac{2}{x-3} - \frac{4}{x+3} + 1$.