Preview question: $$ \frac{-4 + 4 x } {3} + \frac{-5 x - 1} {-7} = 4 x

Technical information

Behaviour being used: Adaptive mode

Minimum fraction: 0

Question summary: $$ \frac{-4 + 4 x } {3} + \frac{-5 x - 1} {-7} = 4 x - 9 $$

Right answer summary: 4

Question state: todo

Preview question: $$ \frac{-4 + 4 x } {3} + \frac{-5 x - 1} {-7} = 4 x - 9 $$