Solving One-Step Equations

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single operation, such as addition, subtraction, multiplication, or division.

Front

How do you solve the equation x + 8 = 15?

Back

To solve for x, subtract 8 from both sides: x = 15 - 8, so x = 7.

Front

What is the solution to the equation 13 + x = -25?

Back

To solve for x, subtract 13 from both sides: x = -25 - 13, so x = -38.

Front

How do you solve the equation -10 + x = 20?

Back

To solve for x, add 10 to both sides: x = 20 + 10, so x = 30.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of subtraction?

Back

The inverse operation of subtraction is addition.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

What is the inverse operation of division?

Back

The inverse operation of division is multiplication.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

Front

What is the first step in solving the equation x - 5 = 10?

Back

The first step is to add 5 to both sides: x = 10 + 5, so x = 15.