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21 March, 05:27

8 and 3times a number is 128

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  1. 21 March, 09:00
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    You must first set up an equation for this problem. Your equation is 8+3x=128. If we subtract 8 from each side we get 3x=120. If we then divide both sides by 3 we get x=40. Therefore your number is 40 because 8+3*40=128.
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