3)
5x + 6y = 120
x intercept y = 0
5x + 6y = 120
5x + 0 = 120
x = 120/5
x = 24
x intercept (24,0)
y intercept x = 0
5x + 6y = 120
0 + 6y = 120
y = 120/6
y = 20
y intercept (0,20)
4)
5x -4y = 20
x intercept y = 0
5x -4y = 20
5x -0 = 20
x = 20/5
x = 4
x intercept (4,0)
y intercept x = 0
5x -4y = 20
0 -4y = 20
y = 20/-4
y =-5
y intercept (0,-5)