Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Solve the system by substitution. x - 5y = 2 -7x - 6y = 27: (-4, 0); (3, 0); No solution; (-3, -1)
Right answer summary: (-3, -1)
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Solve the system by substitution. x - 5y = 2 -7x - 6y = 27: (-4, 0); (3, 0); No solution; (-3, -1)
Right answer summary: (-3, -1)
Question state: todo