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12 October, 16:18

Tell whether x = 6 is a solution of x - 1<7.

yes

no

+4
Answers (2)
  1. 12 October, 16:44
    0
    yes

    Step-by-step explanation:

    1. Plug 6 in for x

    6 - 1 < 7

    2. Simplify

    5 < 7

    3. Since it is true that five is less than seven, the answer is yes.
  2. 12 October, 19:12
    0
    x=6 is a solution

    Step-by-step explanation:

    x - 1<7

    Add 1 to each side to isolate x

    x - 1+1<7+1

    x < 8

    Substitute x = 6 into the inequality and see if it is true

    6 <8

    This is true so x=6 is a solution
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