4cf,5bd,6bdfh,7 bd, 8bdf, 9bd,10bdf, 11bdf 5252 5258 Equations E 81 1bd,3bd,4c,5b,7c,8b,10b, 11c,14,16,17abcd 5256 Practical Equations (formed by substitution) F 84 1cfil,2dhl,3cf,4dhlp,5cfi, 6dhl,7cf,8bdf,9dhlpqr,1 1ab 5284 5286 Changing the Subject G 89 1,3 None Simultaneous Equations from tables H 90 1ac,3abc,5abc 4223 Simultaneous Equations graphically I 92 1,2bdf,3c,4,5bce 4223 Substitution Method J…
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