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.

Tags

CCSS.7.EE.B.4A

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.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation 13 = 11 - 4x?

Back

The first step is to subtract 11 from both sides to simplify the equation.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 13 = 11 - 4x?

Back

The solution is x = -1/2.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to 'balance' an equation?

Back

Balancing an equation means keeping both sides equal by performing the same operation on both sides.

Tags

CCSS.8.EE.C.7B

Front

What is the second step to solve the equation -15 = 11 - 2t?

Back

The second step is to divide both sides by -2 after isolating the term with the variable.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation -15 = 11 - 2t?

Back

The solution is t = 13.

Tags

CCSS.7.EE.B.4A

Front

How do you check if your solution to a two-step equation is correct?

Back

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

Tags

CCSS.6.EE.B.5

Front

What is the first step to solve the equation 4 - 3y = 31?

Back

The first step is to subtract 4 from both sides.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 4 - 3y = 31?

Back

The solution is y = -9.

Tags

CCSS.7.EE.B.4A