2 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 appear in the equation.

Front

What is the first step to solve the equation 2d + 7 = 9?

Back

Subtract 7 from both sides to get 2d = 2.

Front

What is the solution to the equation 2d + 7 = 9?

Back

d = 1.

Front

What is the first step to solve the equation 11 = 3z + 5?

Back

Subtract 5 from both sides to get 6 = 3z.

Front

What is the solution to the equation 11 = 3z + 5?

Back

z = 2.

Front

What is the first step to solve the equation 7k - 14 = 42?

Back

Add 14 to both sides to get 7k = 56.

Front

What is the solution to the equation 7k - 14 = 42?

Back

k = 8.

Front

How do you solve the equation x/3 + 5 = -1?

Back

Subtract 5 from both sides to get x/3 = -6, then multiply by 3.

Front

What is the solution to the equation x/3 + 5 = -1?

Back

x = -18.