Expressions and Equations Pretest

the sum of fifty-two and a number

• 52  - n
• 52n
• 52*n
• 52 + n

Three less than 8 times a number

• 3 - 8x
• 8x - 3
• 3x + 8x
• (3 + 8)x

the product of a number and 7 is 42.

• 7 + n = 42
• 7/n = 42
• 42 - 7 = n
• 7n = 42

Distribute.
x(3 - 12)

• 9x
• -9x
• 3x + 12x
• x( 9)

A group of variables, constants and operations that an include an equal sign

• Equation
• Constant
• Expression
• Variable

In 3x = 12, the x is called the 

• Equation
• Variable
• Constant
• Coefficient

A group of variables, constants, and operations that does NOT include an equal sign 

• Equation
• Constant
• Expression
• Variable

In the equation 3x = 5, the 3 is called the

• Term
• Constant
• Variable
• Coefficient

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

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

Simplify.
3d + 7d

• 4d
• 10d
• 10 + d
• -4d