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If we add 7 to twice a number, we get 49. Find the number. |
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Answer» Let the number be x Then twice the number = 2x On adding = 2x + 7 By problem, 2x + 7 = 49 2x = 49 – 7 (transposing + 7) 2x = 42 x =42/2 (transposing x 2) x = 21 |
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