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iikatreii
31.10.2019 •
Mathematics
Iam thinking of a number. if you multiply my number by 5, add -12 to the product, and then take 1/2 of the sum, the result is 14. find my number.
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Ответ:
14x2=28
28+12=40
40/5=8
Ответ:
(2n - 12)/2 = 14
Five times the number subtracted by 12, divided by 2 is equivalent to 14.
Multiply both sides by 2:
2n - 12 = 28
Add 12 to both sides:
2n = 40
n = 20
The number is 20
Ответ:
$360 on game console
$480 on tv
$1440 before spending money
x - 1/3x - 1/4x = $600
12/12x - 4/12x - 3/12x = $600
5/12x = $600
x = (12/5)($600)
x = $1440
Game Console = (1/4)(1440) = $360
Hope this helped!