Review for One and Two-Step Equations Flashcard

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 operation (addition, subtraction, multiplication, or division) to isolate the variable.

Front

What is a two-step equation?

Back

A two-step equation is an equation that requires two operations to isolate the variable, usually involving a combination of addition or subtraction followed by multiplication or division.

Front

Solve the equation: 3x = 27

Back

x = 9

Front

Solve the equation: y - 4.6 = 12

Back

y = 16.6

Front

What is the first step in solving the equation: 9e = 99?

Back

Divide both sides of the equation by 9.

Front

Solve the equation: 8 = m - 12

Back

m = 20

Front

Back

x = 21

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 of the equation by itself.

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.