Two-Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to isolate the variable and solve for its value.

Tags

CCSS.7.EE.B.4A

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

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CCSS.6.EE.B.7

Front

What is the first step to solve the equation x - 62 = 123?

Back

Add 62 to each side.

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CCSS.6.EE.B.7

Front

What is the solution to the equation 4x + 7 = 23?

Back

x = 4.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to solve for a variable?

Back

To solve for a variable means to find its value that makes the equation true.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation -15 = -4y + 5?

Back

y = 5.

Tags

CCSS.7.EE.B.4A

Front

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

Back

You would use addition or subtraction, depending on the sign of the constant.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation x = -10?

Back

The value of x is -10.

Tags

CCSS.6.EE.B.7

Front

What is the second step to solve the equation 4x + 7 = 23 after isolating the variable?

Back

Subtract 7 from both sides.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation a = -6?

Back

The value of a is -6.