Preview question: $$ \frac{-12 - 8 x } {-4} + \frac{3 - 7 x } {4} = 3 x + 12 $$

Behaviour being used: Adaptive mode

Minimum fraction: 0

Question summary: $$ \frac{-12 - 8 x } {-4} + \frac{3 - 7 x } {4} = 3 x + 12 $$

Right answer summary: -3

Question state: todo