Solving One- and Two-Step Equations

Front

What is a one-step equation?

Back

An equation that can be solved in a single step, typically by performing one inverse operation.

Front

What is a two-step equation?

Back

An equation that requires two steps to solve, usually involving two inverse operations.

Front

What is the first step to solve the equation -3 = x + 5?

Back

Subtract 5 from both sides.

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to get the variable alone on one side of the equation.

Front

What is the solution to the equation 7n = 42?

Back

n = 6.

Front

What is the first step to solve the equation 10u - 21 = 3u?

Back

Add 21 to both sides.

Front

What is the solution to the equation 9 = \frac{r}{8}?

Back

r = 72.

Front

What does it mean to 'add 11 to both sides' of an equation?

Back

It means to perform the same operation on both sides to maintain equality.

Front

What is the first step to solve the equation -14 = r - 11?

Back

Add 11 to both sides.

Front

What is the solution to the equation 3x + 5 = 20?

Back

x = 5.