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Taya2010 [7]
3 years ago
14

Five less than one third of a number is two more than half of the same number. Find the number.

Mathematics
2 answers:
I am Lyosha [343]3 years ago
8 0
5 less (-5) than 1/3 of number (n/3) is (=) 2 more than (2+) half of the number (n/2)


-5+n/3=2+n/2
add 5 to both sides
n/3=n/2+7
times 6 both sides
2n=3n+42
minus 2n both sides
0=n+42
minus 42 boh sides
-42=n

the number is -42


the number is 18
Mila [183]3 years ago
4 0
X/3 - 5 = 2 + x/2
solve for x
x = -42
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