Solving 1 Step Equations Add or Sub

Equation

______________________: mathematical expression with an equal sign.​​

Equations will have an unknown, in algebra we use a letter.

​The letter is known as the varaible​

Most common variable will be x.​

Inverse Operation

An operation that is the opposite of another operation.

We use inverse operations to solve equations.​

Goal of any Equation

Goal of any equation is to get the variable by itself with a coefficient of 1 in front of the variable.

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Steps

To solve an equation

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1. You will use inverse operations.

2. What you do to 1 side you have to do to the other

3. When solving an equation you should have no other operations left.

​Subtraction

Addition