Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ -2 x + 69 = -99 + 2 x $$
Right answer summary: 42
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ -2 x + 69 = -99 + 2 x $$
Right answer summary: 42
Question state: todo