solving equations

• Divide both sides by 11
• Multiply both sides by 11.
• Add 11 to both sides.

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Solve the equation
3x = 27. 

• x = 24
• x = 81
• x = 9

a symbol for an unknown value; usually a letter (such as a, x, or y) is the symbol used

• constant

• variable

• coefficient

• term

Pairs of operations that undo each other

• inverse operations
• solution
• inequality

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.