Review: Equations

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the inverse operation for addition?

Back

Subtraction.

Front

What is the inverse operation for subtraction?

Back

Addition.

Front

What is the inverse operation for multiplication?

Back

Division.

Front

What is the inverse operation for division?

Back

Multiplication.

Front

Solve the equation: 17 = x + 3

Back

x = 14.

Front

Back

c = -33.

Front

Back

x = 8.

Front

What is a variable in an equation?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation.