Use subtitution method to solve the equation system
Subtitute y and we'll find the value of x
y = y
x - 4 = -x + 6
x + x = 6 + 4
2x = 10
x = 10/2
x = 5
Subtitute x with 5 in one of the equations and we'll find the value of y
y = x - 4
y = 5 - 4
y = 1
The solution
(5,1)