Writing and Solving 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 reverse order: first undo addition or subtraction, then undo multiplication or division.

Front

What is the first step to solve the equation 2k + 12 = -4?

Back

Subtract 12 from both sides to isolate the term with the variable.

Front

What is the solution to the equation 2k + 12 = -4?

Back

k = -8.

Front

What does it mean to 'solve for c' in the equation 3c + 5 = 23?

Back

It means to find the value of c that makes the equation true.

Front

What is the first step to solve the equation 3c + 5 = 23?

Back

Subtract 5 from both sides.

Front

What is the solution to the equation 3c + 5 = 23?

Back

c = 6.

Front

How do you write an equation for a word problem?

Back

Identify the variables, constants, and relationships described in the problem, then translate them into an algebraic equation.

Front

What is the equation for the boat rental problem?

Back

33 = 2h + 15.

Front

What is the first step to solve the equation 12 - 6y = 24?

Back

Subtract 12 from both sides.