Preview question: $$ \frac{25 + 3 x } {2} + \frac{5 x + 5} {-2} = 2 x + 25 $$

Behaviour being used: Adaptive mode

Minimum fraction: 0

Question summary: $$ \frac{25 + 3 x } {2} + \frac{5 x + 5} {-2} = 2 x + 25 $$

Right answer summary: -5

Question state: todo