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10 February, 06:26

Solve for the variable:

2x - 21 = 3 - x

+2
Answers (2)
  1. 10 February, 07:48
    0
    Add 21 to both sides then simplify then add x to both sides and divide both sides by 3 then when you simplify you get x=8
  2. 10 February, 08:42
    0
    2x-21=3-x

    2x=24-x

    3x=24

    X=8
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