Preview question: $$ -3 \left( -11 + 4 x \right) = -3 \left( -15 + 5 x \right) $$

Behaviour being used: Adaptive mode

Minimum fraction: 0

Question summary: $$ -3 \left( -11 + 4 x \right) = -3 \left( -15 + 5 x \right) $$

Right answer summary: 4

Question state: todo