Solving equations with variables on both sides

Solve for f:
f - 4 = 6f + 26

• f = -5
• f = 5
• f = 6
• f = -6

Solve the equation:
7x - 4 = 3 + 8x

• x = 7
• x = -7
• x = 2/7
• x = 11

Solve the equation
4x - 5x + 9 =5x - 9

• x = -3
• x = 9
• x = 3
• x = -9

7x = 3x + 24

• 6
• 10
• 14
• 4

14p - 8 = 22 + 20p

• -5

• 5

• 30

• -30