One Step Equations - Addition and Subtraction

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 first step to solve the equation y + 3 = 19?

Back

Subtract 3 from both sides of the equation.

Front

What is the solution to the equation r - 12 = 30?

Back

r = 42.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

What is the inverse operation of division?

Back

Multiplication.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation until the variable is alone on one side.

Front

What is the purpose of using inverse operations in solving equations?

Back

To undo the operations applied to the variable and isolate it.