Two Step Equations with Rational Numbers

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in the reverse order of how they appear in the equation.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the first step to solve the equation -15 = -4m + 5?

Back

Subtract 5 from both sides to isolate the term with the variable.

Front

What is the solution to the equation -15 = -4m + 5?

Back

m = 5.

Front

What is the first step to solve the equation -3x - 7 = -13?

Back

Add 7 to both sides to isolate the term with the variable.

Front

What is the solution to the equation -3x - 7 = -13?

Back

x = 2.

Front

What does it mean to have a negative coefficient in an equation?

Back

A negative coefficient indicates that the variable is being subtracted or has a negative impact on the equation's value.

Front

How do you solve the equation -10 = 10(k - 9)?

Back

Divide both sides by 10, then add 9 to both sides to isolate k.

Front

What is the solution to the equation -10 = 10(k - 9)?

Back

k = 8.