Solve the linear system by substitution.
x = 6 - 4y
2x - 3y = 1
Solve the linear system by substitution.
4x + 3y = 0
2x + y = -2
Solve the linear system by substitution.
-x + 2y = -6
8x + y = 31
Solve the linear system by substitution.
6x - y = -35
5x - 2y = -35
Solve the linear system by substitution.
-x + 3y = -9
8x - 4y = 32
Solve the linear system by substitution.
5x + 2y = 43
-6x +3y = -30
Solve the linear system by substitution.
x + 2y = -10
y = -1/2x + 2
Solve the linear system by substitution.
x + y = 5
2x - y = -2
Stay fit gym charges a membership fee of $75. They offer karate classes for an additional fee. It is $3 for members but $8 for non-members. How many classes could members and non-members take before they pay the same amount?