Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ 57 - 2 x = 2 x - 87 $$
Right answer summary: 36
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ 57 - 2 x = 2 x - 87 $$
Right answer summary: 36
Question state: todo