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Three times the sum of a number and 7 is 4.
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Three times the sum of a number and 7 is 4.

User Aseagram
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n is -1, and to get that you would need to have the equation 3(n)+7=4 since it says "three times (so parenthesis) the sum (plus sign) of a number 3(n)+7 and is means equal, so to 4.
User Rentzsch
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