Front

What is the invisible number that is with x?

Back

1x

Front

What is the most important rule when solving equations?

Back

Whatever you do to one side of the equal sign, you have to do to the other.

Front

A number by itself is called a...

Back

constant

Front

Back

9

Front

A math sentence that does not contain an equal sign is called a...?

Back

Expression

Front

What is a variable?

Back

A symbol used to represent an unknown value.

Front

What is a coefficient?

Back

A number that multiplies a variable.

Front

What is an equation?

Back

A mathematical statement that two expressions are equal.

Front

What does it mean to isolate a variable?

Back

To get the variable alone on one side of the equation.

Front

What is the first step in solving a multi-step equation?

Back

Simplify both sides of the equation.