177 - Solve equations using inverse operations
178 - Solve 1-step equations (balance method)
179 - Solve 2-step equations (involving multiplication)
180 - Solve 2-step equations (involving division)
181 - Solve 2-step equations (x on denominator)
182 - Solve 2-step equations (x negative)
184 - Solve equations with x on both sides 1
185 - Solve equations with x on both sides 2
186 - Solve equations with x on both sides 3
187 - Solve equations with algebraic fractions
280 - Change the subject of the formula 1 (1-step)
281 - Change the subject of the formula 2 (2-step)
282 - Change the subject of the formula 3 (negative x)
283 - Change the subject of the formula 4 (x on denominator)
284 - Change the subject of the formula 5 (x with powers)
285 - Change the subject of the formula 6 (x on both sides)
286 - Change the subject of the formula 7 (x on both sides/denominator)
(thanks to AQA Maths and JustMaths)
Email your teacher if you would like the mark scheme