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joja [24]
3 years ago
13

1/3 of a number is 12 less than the number itself

Mathematics
1 answer:
natulia [17]3 years ago
5 0
Let "x" be a substitute for "a number"

1/3(x)=x-12    Multiply by 3
x=3x-36         Get n onto the same side of the equation
2x=36            Divide by 2
x=18

That's your answer.
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