It is: 12 ≤ N - 7
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to triple a number that was decreased by five you subtract 5 and then multiply by three. for example if you where given 10 you would 12-5=7 -> 7*3=21
12-2n= -72n = 19n = 9.5
x - 2 = 7 + x/4 4x - 8 = 28 + x 3x = 36 x = 12
7-x=4
Call the number we are looking fornThe quotient of a number and -7 is written as n/-7 .When it say decreased by 2, the problem means we subtract 2.So now let's write the entire problem in symbols and we have:n/-7 - 2 = 10n/-7 = 12n = -84