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7 October, 14:58

Which of the following inequalities could be the result of the first step in solving the inequality

3 (x - 4) < 8x + 13 for x?

AX-45 x+13

B x-458x+10

(C3x - 4 5 8x+13

D

3x - 12 5 8x + 13

+2
Answers (1)
  1. 7 October, 15:55
    0
    Pull out like factors:

    -5x - 25 = - 5 • (x + 5)

    Equation at the end of step 1:

    Step 2:

    2.1 Divide both sides by - 5

    Remember to flip the inequality sign:

    Solve Basic Inequality:

    2.2 Subtract 5 from both sides

    x ≤ - 5
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