Equations and Inequalities Revision

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = 4
• x = 84

Solve the equation:
x - 5.5 = 10.5

• x = 15
• x = 14
• x = 16
• x = 15.5

Solve the equation:
4p = 16

• p = 12
• p = 64
• p = 3
• p = 4

Solve the equation:
2w=58

• w = 29
• w = 32
• w = 15
• w = 116

Solve the equation:
x/3 = 4

• x = 12
• x = 1
• x = 16
• x = 3

Solve the equation:
5x = 25

• x = 20
• x = 125
• x = 4
• x = 5

What do you need to do to both sides to isolate the variable?

• Add 5

• Subtract 5

• Multiply by 5

• Divide by 5.

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Match the graph with its inequality.

• 11 < a
• 11 > a
•  11 ≤ a
•  11 ≥ a

Pick the correct inequality.

• A
• B
• C
• D