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Maths Question

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Silvermist456 | 18:59 Wed 10th Nov 2010 | Quizzes & Puzzles
6 Answers
I am thinking of a number
I multiply it by 8 and add 20
I get the same answer if I multiply by 2 and add 164
What is the number ?
Please I really need the answer but I cant work it out
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24
24
8x + 20 = 2x +164
Subtract 2x from both sides
6x + 20 = 164
Subtract 20 from both sides
6x = 144
Divide both sides by 6
x = 24

Chris
great minds think alike chris, I did it the same way . . .
same here-still remember a little algebra.
No,I did it slightly different but got the same answer.

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