One more down the hatch, Indices with a sprinkle of Simultaneous Equations to boot. Spicy! Add Math tuition with a twist, let's gain mastery of this question. First, Indices rules, 9 of them from E Math needs to be memorised. Get your practices in for E Math before doing this, as A Math versions require the finesse to manoeuvre across all those rules. If not, it will feel like climbing Mount Everest without oxygen,