Understand Equations and Properties of Equality

Which property justifies the work in solving this equation?

• Addition Property of Equality
• Additive Inverse Property
• Identity Property of Addition
• Subtraction Property of Equality

Tags

CCSS.HSA.REI.A.1

• Addition property of equality

• Subtraction property of equality

• Multiplication property of equality

• Division property of equality

Tags

CCSS.HSA.REI.A.1

What property of equality is shown below?

10 + d = 25

10 + d - 10 = 25 - 10

• Addition property of equality

• Subtraction property of equality

• Division property of equality

• Multiplication property of equality

Tags

CCSS.HSA.REI.A.1

What value for d makes this equation true?

d + 5 = 10

• d = -5
• d = 5
• d = 0
• no solution

Tags

CCSS.6.EE.B.5

What value for x makes this equation true?

x - 4 = 14

• x = 10
• x = -10
• x = 18
• x = -18

Tags

CCSS.6.EE.B.5

What value for x makes this equation true?

5 = 5x

• x = 5
• no solution
• x is all real numbers
• x = 1

What value for x makes this equation true?

x - 3 = 7

• x = 11

• x = 21

• x = 10

• x = 4

Tags

CCSS.6.EE.B.5

What value for x makes this equation true?

12x = 48

• 36

• 4

• 50

• 1

What value for x makes this equation true?

8 + x = 10

• 18

• 2

• 10

• 8

Tags

CCSS.6.EE.B.5

• r = 2

• r = 80

• r = 240

• r = 12,800

Tags

CCSS.6.EE.B.7