135s Classroom → 35s Sub-90 Target27-Q Mathematics 1 Mock
Archetype Sub-90 Dry-Wipe Invariant (Simultaneous Linear Combinations, Straight-Line Gradients & Inequalities): Check if the target expression (e.g. 6a+2c) is a direct linear combination of the given equations (2*(4a+4c) - (2a+3c)) before solving for individual variables. For ax+by=c, gradient is -a/b.
sub90 ESATARCH-M1-08: Simultaneous Linear Combinations, Straight-Line Gradients & InequalitiesMathematics 1
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SUB-90 ZONE (<40S)
0.0s40s Sub-9090s ESAT Budget150s Classroom
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Mathematics 1•ARCH-M1-08•Standard 5-Option
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