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The sum of three times a number and 12 is twenty

User Tuxdna
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1 Answer

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So,

"The sum of three times a number"
3n +

"and 12"
3n + 12

"is 20"
3n + 12 = 20

Subtract 12 from both sides.
3n = 8

Divide both sides by 3.

n = (8)/(3) \ or\ 2 (2)/(3)
User Dhaval Bhadania
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