Equations: Inverse Operations & Vocab

Expression or Equation: 17 = x + 2

• Expression

• Equation

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

What is the inverse operation of multiplying?

• Adding

• Subtracting

• Multiplying

• Dividing

a number that is multiplied by a variable

• expression

• constant

• coefficient

• variable

Inverse Operations are operations which undo each other.

• True

• False

12 + x = 30 is an example of an

• expression

• equation

• exponent

• even number

What is the inverse of addition?

• Subtraction
• Division 
• Multiplication

a symbol (+, x, -, or ÷) representing a mathematical operation

• term

• operator

• expression

• constant

a single number, a variable, or numbers and/or variables multiplied together

(EX: 4 , abc , 5w)

• expression

• variable

• constant

• term

Expression or Equation: x + 6 = 21

• Expression

• Equation