Expressions and Equations

Front

Write the mathematical expression for: Four times a number plus six is 30.

Back

4x + 6 = 30

Front

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

Back

Add 62 to each side.

Front

Write the mathematical expression for: Five more than a number.

Back

x + 5

Front

What is a symbol for an unknown value, usually a letter (such as a, x, or y)?

Back

Variable

Front

What is the term for a fixed value that does not change?

Back

Constant

Front

What is the term for a number that multiplies a variable?

Back

Coefficient

Front

What is the term for a mathematical phrase that can contain numbers, variables, and operators?

Back

Expression

Front

What is the term for a mathematical statement that two expressions are equal?

Back

Equation

Front

What is the process of finding the value of a variable in an equation called?

Back

Solving the equation

Front

What is the first step in solving the equation 3x + 5 = 20?

Back

Subtract 5 from each side.