Solve linear simultaneous equations using appropriate algebraic techniques, including with the use of the 'substitution' and 'elimination' methods, eg solve {3a + b = 17; 2a - b = 8}

1. Frogmaths with Leela - Solve simultaneous eqns by substitution
2. Frogmaths with Leela - Solve simultaneous eqns by substitution
3. Frogmaths with Leela - Solve simultaneous eqns by substitution
4. Frogmaths with Leela - Solve simultaneous eqns by substitution
5. Frogmaths with Leela - Solve simultaneous eqns by substitution
6. Frogmaths with Leela - Solve simultaneous eqns by substitution