Question 759231
Add 3 to a number then multiply by 2 = 20
   (3 + x) x 2 = 20
    6 + 2x = 20
        2x = 20 - 6
        2x = 14
         x = 7
Number was 7
   (7 x 2)+ 3 = 17.#
Hope this helps.
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