Balansmethode

x - 9 = 5

• x = -4
• x= 4
• x = 14 
• x = -14

8x = 32

• x= 8
• x= -4
• x= 4
• x= -8

2x + 4 = 6

• x= 1
• x=2
• x = 10
• x = 5

5x + 2 = 3x + 8

• x = 10
• x= -3
• x= -10
• x= 3

5x -3 = 2x + 6

• x= 3
• x=-3
• x = 1
• x = -1

5x - 8 = -5x +12

• x= 20
• x= -20
• x= 4
• x= 2 

-2x + 10 = -2

• x= -12
• x= 6
• x= -6
• x=12 

6x - 30 = 0

• x= 6
• x= 30
• x= 5
• x= -6