Write and Solve 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 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 the equation 2(x + 15) = -6?

Back

The first step is to distribute the 2, resulting in 2x + 30 = -6.

Front

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

Back

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

Front

What is the solution to the equation -9r + 12 = -24?

Back

The solution is r = 4.

Front

What does the equation C = 15 + 0.20x represent?

Back

This equation represents the monthly cell phone bill (C) based on a fixed charge of $15 and a variable charge of $0.20 per minute of usage (x).

Front

How do you set up an equation for 'eight less than 7 times a number'?

Back

The equation is 7x - 8.

Front

What is the solution to the equation 7x - 8 = 3x + 4?

Back

The solution is x = 3.

Front

What does 'one fourth of the sum of a number and two is three' translate to in equation form?

Back

The equation is 1/4(2 + n) = 3.