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OverLord2011 [107]
3 years ago
9

12 more than the difference of half a number and 3 is 45. Plz answer

Mathematics
1 answer:
son4ous [18]3 years ago
7 0

Answer:

x=18

Step-by-step explanation:

the result of 12 added to the difference of half a number and 3 is 45.

that looks something like this

12+\frac{1}{2}x= 45

which can be solved as such

\frac{1}{1} x+(12-3)=45\\\frac{1}{2}x+9=45\\\frac{1}{2}x=45-9\\ \frac{1}{2}x=36\\\frac{2}{1}*\frac{1}{2}x=36*\frac{2}{1} \\  x=36*2\\x=72

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