Oh honey, 18 minus x is just that - 18 minus x. I can't simplify it further without knowing the value of x. Math isn't my strong suit, but even I know I can't give you a specific answer without more information.
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The expression "18 minus x" represents the subtraction of the variable x from the number 18. It can also be written as 18 - x. The result of this subtraction will depend on the value of x. If x is a positive number, the result will be less than 18. If x is a negative number, the result will be greater than 18.
Well, isn't that a happy little math problem! When we have 18 and we take away a little x, we're left with a beautiful number. Just imagine x as a fluffy cloud floating away, and you'll find the answer in no time. Remember, there are no mistakes in math, just happy little accidents!
The value of the expression will depend on the value assigned to variable "x". You can't simplify that expression.
3(x + 2) = x - 18 3x + 6 = x - 18 3x - x = -18 - 6 2x = -24 x = -12
x^2+3x-18 (x+6) (x-3) = 0 x=-6 x=3 a= 1 r= -6 s=3
it is equal to +x
x = ? 42 = x squared minus x
(x - 5)(x + 4)