Two Step Equations

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 are applied.

Front

What is the first step in solving the equation 3x + 2 = -25?

Back

Subtract 2 from both sides of the equation.

Front

What is the solution to the equation 5x + 4 = -6?

Back

x = -2.

Front

How do you check the solution of an equation?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What does it mean to write an equation from a word problem?

Back

It means to translate the information given in the problem into a mathematical expression or equation.

Front

In the equation -15 = -4t + 5, what is the first step to solve for t?

Back

Subtract 5 from both sides of the equation.

Front

What is the purpose of using variables in equations?

Back

Variables represent unknown values that we can solve for using algebraic methods.

Front

How can you represent the cost of multiple items in an equation?

Back

By using a variable to represent the cost of one item and multiplying it by the number of items.

Front

What is the solution to the equation 3x + 2 = -25?

Back

x = -9.