Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ \frac{87 - 13 x } {-4} = -25 $$
Right answer summary: -1
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ \frac{87 - 13 x } {-4} = -25 $$
Right answer summary: -1
Question state: todo