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If 
-x-10y=9 is a true equation, what would be the value of 
-10y-x ?
Answer:

If x10y=9 -\mathbf{x}-\mathbf{1 0 y}=\mathbf{9} is a true equation, what would be the value of 10yx -\mathbf{1 0 y}-\mathbf{x} ?\newlineAnswer:

Full solution

Q. If x10y=9 -\mathbf{x}-\mathbf{1 0 y}=\mathbf{9} is a true equation, what would be the value of 10yx -\mathbf{1 0 y}-\mathbf{x} ?\newlineAnswer:
  1. Identify Given Equation: Identify the given equation and the expression we need to find the value of.\newlineGiven equation: x10y=9-x - 10y = 9\newlineExpression to find: 10yx-10y - x
  2. Rearrange Terms: Notice that the expression we need to find the value of is just a rearrangement of the terms in the given equation.\newlineRearrange the terms in the given equation to match the expression we need to find.\newlinex10y=9-x - 10y = 9 can be rewritten as 10yx=9-10y - x = 9
  3. Find Value: Since the rearranged expression is equivalent to the given equation, the value of the expression will be the same as the value of the given equation.\newlineTherefore, the value of 10yx-10y - x is 99.

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