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 operation, such as addition, subtraction, multiplication, or division.

Front

What is a two-step equation?

Back

A two-step equation is an equation that requires two operations to solve, typically involving both addition or subtraction and multiplication or division.

Front

How do you isolate a variable in an equation?

Back

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

Front

What is the first step to solve the equation 19 + a = -50?

Back

Subtract 19 from both sides to isolate 'a'.

Front

What is the solution to the equation -5x = 25?

Back

The solution is x = -5, found by dividing both sides by -5.

Front

What does it mean to balance an equation?

Back

Balancing an equation means ensuring that both sides of the equation remain equal after performing operations.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

How do you check your solution to an equation?

Back

You can check your solution by substituting the value back into the original equation to see if both sides are equal.

Front

What is the first step in solving the equation -15 = -10 + 5n?

Back

The first step is to add 10 to both sides of the equation.