Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ -2 x - 63 = 2 x + 85 $$
Right answer summary: -37
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ -2 x - 63 = 2 x + 85 $$
Right answer summary: -37
Question state: todo