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19 February, 15:03

3x + 15=75 what is the value of x

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  1. 19 February, 15:17
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    To find x you have to isolate it, so you you subtract 15 to both sides then you get 3x=60 next you divide both sides by 3 and that gives you x=20
  2. 19 February, 15:31
    0
    X=20

    you subtract 15 from 75 to get 60 then divide 60 by 3 to get 20
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