Question

Solve: 5(x + 8) = 7(x − 2)

17

−17

27

−27

Question 2 (Multiple Choice Worth 3 points)

Solve: 2x = −18

−8

9

−6

−9

Question 3 (Multiple Choice Worth 3 points)

Solve: −3x − 7 = 17

−3.3

4

8

−8

Question 4 (Multiple Choice Worth 3 points)

5y = 5y is an example of which algebraic property?

Symmetric Property

Transitive Property

Reflexive Property

Commutative Property of Multiplication

Question 5 (Multiple Choice Worth 3 points)

Solve: x − 7 = 14

7

−7

21

−21

Answer 1

5(x + 8) = 7(x − 2)

5x + 40 = 7x - 14

40-14 = 7x-5x

26 = 2x

x = 26/2

x = 13

Answer 2

tomo:
40+14 = 7x-5x !

q1: x=17
q2: x=-9
q3: x = 8
q4:
q5: x=21