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23 December, 12:17

What is the solution set for 7x-3=18, given the replacement set {0, 1, 2, 3, 4}? A. x = 0

B. x = 2

C. x = 3

D. x = 4

+3
Answers (2)
  1. 23 December, 14:40
    0
    Solve for x using inverse operations

    Add 3

    7x-3+3=18+3

    7x=21

    Divide 7

    7x/7=21/7

    x=3

    To check-

    7 (3) - 3=18

    21-3=18

    18=18

    The answer is C because it is the solution.
  2. 23 December, 15:56
    0
    Move all terms that don't contain x to the right side and solve.

    x = 3
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