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17 August, 12:02

Multiple Choice Problems 10 - 14.

10. Which expression is equivalent to 3 (-12x - 3) ?

a 3 (12x) + 3 (8)

b. - 3 (12x) - (-3) (8)

C. 3 (-12x) - 3 (8)

11. Which expression is equivalent to - 11 (6.22 + 4) ?

a. - 11 (6.22) + (-11) (4)

b. 11 (6.22) + (-11) (4)

C. - 11 (6.22) - (-11) (4)

12. Which expression is equivalent to 4x - 7?

a. 3x + (-8) + 2x + 1

b. 2x + X-5+X-2

C. - 3 + x + x + 3x - 4

13. Which expression is equivalent to - 7 (4+6x) ?

a. 28 + (-42x)

b. - 28 + 42x

c. - 28 + (-42x)

14. Which expression is NOT equivalent to 12 - 5x?

a. 8 - x - 2x + 4 - 2x

b. - 3x + 7 - 2x + 3 + 2

c. - x + 9 + 5 - 2x - 2x

d. 2 - 3x + 6 + 4 - x - x

+4
Answers (1)
  1. 17 August, 14:52
    0
    10 A

    11 B

    12 B

    13 C

    14 C
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