Algebraic Expression and Equation

Solve the following equation,
x + 7 = 28

• x = 35
• x = 4
• x = 196
• x = 21

Solve the following equation,
x - 23 = 17

• -6
• 6
• 40
• -40

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

What step would you take to solve this equation?

• Multiply both sides of the equation by 2
• Divide both sides of the equation by 2
• Add 2 to both sides of the equation
• Subtract 2 from both sides of the equation

A _____________ is a symbol, usually a letter that stands for a number. 

• coefficient
• algebraic expression
• variable
• term

Which of the following is an example of an algebraic expression?

• 3(2 + 7) - 10
• 78 - 5 + 3
• 3x + 6y
• 8(3) - 5 + 2

Which of the following terms mean "addition"? 

• of
• how many
• total of
• shared

Which of the following terms means "subtract"?

• half
• less than
• double
• per

A ______________ is a number multiplied by a variable. 

• term
• variable
• coefficient
• numerical expression

Difference, minus, less than, and decreased by are all words that mean ______________.

• add
• subtract
• multiply
• divide