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 inverse operations in the reverse order of operations used in the equation.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation -4x + 1 = 21?

Back

Subtract 1 from both sides to get -4x = 20.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 6n + 4 = -26?

Back

n = -5.

Tags

CCSS.7.EE.B.4A

Front

How do you solve the equation 5x + 4 = -6?

Back

First, subtract 4 from both sides to get 5x = -10, then divide by 5 to find x = -2.

Tags

CCSS.7.EE.B.4A

Front

What is the first step in solving the equation x/2 - 5 = 3?

Back

Add 5 to both sides to get x/2 = 8.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 2y + 17 = 55?

Back

First, subtract 17 from both sides to get 2y = 38, then divide by 2 to find y = 19.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to perform inverse operations?

Back

Inverse operations are operations that undo each other, such as addition and subtraction or multiplication and division.

Tags

CCSS.HSA.REI.A.1

Front

What is the importance of checking your solution in a two-step equation?

Back

Checking your solution ensures that the value you found satisfies the original equation.

Tags

CCSS.8.EE.C.7B

Front

What is the general form of a two-step equation?

Back

A two-step equation typically has the form ax + b = c, where a, b, and c are constants.

Tags

CCSS.7.EE.B.4A