Unit 2 Exam Review

Which property of real numbers was used to get from Step 3 to Step 4?

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

If y/4 = 5, then y = 20

• Multiplication Property of Equality
• Division Property of Equality
• Addition Property of Equality
• Subtraction Property 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

Which property is shown below?
__________________________
7n = 21 then n = 3

• Division Property
• Sorcery
• Reduction of Multiples
• Distributive Property

4 = 2(x + 3)

• 1/2
• 7/2
• -1
• 5

Solve: 5x - 14 = 8x + 4

• 6
• -6
• -18/13
• 10/3

10(h+1)-4=76

• h=10
• h=4
• h=7
• h=76

7(1 - y) = -3(y - 2)

• x = 1/4
• x = 4
• x = 5

3x - 8 = 3(x - 4) + 1
Simplify each equation. Tell whether the equation has one, no, or infinite solutions.

• one, x = 5
• no solutions
• infinite solutions
• one, x = -2

Solve for n

• 4
• 3
• 1/34
• 34