Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ \frac{21 - 3 x } {-4} = -21 $$
Right answer summary: -21
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ \frac{21 - 3 x } {-4} = -21 $$
Right answer summary: -21
Question state: todo