One and Two Step Equations

Front

What is a one-step equation?

Back

A one-step equation is an equation that can be solved in a single step, typically by performing one inverse operation to isolate the variable.

Front

What is a two-step equation?

Back

A two-step equation is an equation that requires two steps to solve, usually involving two inverse operations to isolate the variable.

Front

Back

Add 21 to both sides to isolate s.

Front

Back

Divide both sides by 4 to find z = 9.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

Back

Multiply both sides by 8 to find r = 72.

Front

Back

Multiply both sides by 4.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side by itself.

Front

Back

Add 21 to both sides to find s = 34.