Understanding Angles and Equations

The video tutorial explains how to solve a geometry problem involving external and internal angles. It begins by setting up the problem and identifying the relationship between the external angle and the sum of the internal angles. The tutorial then demonstrates how to combine like terms to form an equation. Finally, it walks through solving the equation using subtraction and division to find the value of x.

What must the external angle equal in terms of the internal angles?

• The difference of the two internal angles

• The product of the two internal angles

• The sum of the two internal angles

• The quotient of the two internal angles

Tags

CCSS.7.EE.A.1

What is the first step in combining like terms in the given equation?

• Combine the coefficients of x

• Combine the constants

• Subtract the constants

• Divide by the coefficient of x

Tags

CCSS.7.EE.A.1

What is the combined coefficient of x in the equation?

• 3x

• 2x

• 5x

• 8x

Tags

CCSS.7.EE.B.4A

What is the first step in solving the two-step equation?

• Subtract the constant

• Add the constants

• Divide by the coefficient of x

• Multiply by the coefficient of x

Tags

CCSS.3.MD.D.8

What is the value of x after solving the equation?

• 26

• 22

• 24

• 20

Tags

CCSS.3.MD.D.8