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

What is the first step in solving the equation: 5x + 7 = 12?

Back

Subtract 7 from both sides to isolate the term with the variable.

Front

Solve for b: -12 = 24 + 4b.

Back

b = -9.

Front

Solve for g: 9 = 4g + 13.

Back

g = -1.

Front

What is the first step to solve the equation: 10 - 3y = 4?

Back

Subtract 10 from both sides.

Front

Solve for k: 7k - 14 = 42.

Back

k = 8.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation.

Front

What operation would you use to eliminate a constant from an equation?

Back

You would use subtraction to eliminate a constant.

Front

What operation would you use to eliminate a coefficient from a variable?

Back

You would use division to eliminate a coefficient.

Front

If you have the equation 3x + 5 = 20, what is the first step to solve for x?

Back

Subtract 5 from both sides.