Equation Word Problems (2-step)

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 an equation?

Back

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

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 in solving a two-step equation?

Back

The first step is usually to eliminate any constant added or subtracted from the variable.

Front

What is the second step in solving a two-step equation?

Back

The second step is to divide or multiply to isolate the variable.

Front

What does the equation 2x + 5 = 15 represent?

Back

It represents a situation where two times a number plus five equals fifteen.

Front

How can you check if your solution to an equation is correct?

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 equation to find how many weeks Erica needs to save for a jacket if she saves $5 each week?

Back

The equation is 5w + 14 = 64, where w is the number of weeks.

Front

What does the equation f + 8 = 14 represent in the context of tree growth?

Back

It represents the height of the tree after it has grown, where f is the growth in feet.

Front

How do you set up an equation for a total cost problem?

Back

You multiply the cost per item by the number of items to find the total cost.