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17 August, 19:16

Solve the inequality

-8x - 10 > 7x + 20

A.) x < - 30

B.) x > - 2

C.) x > - 30

D.) x < - 2

+2
Answers (1)
  1. 17 August, 19:45
    0
    First you must put all the x on one side:

    -8x-10>7x+20

    +10

    -8x>7x+30

    -7x

    -15x>30

    : (-15) - - > When you multiply or divide in inequalities you must turn the ">" to "<":

    x < - 2

    Answer: D.) x < - 2
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