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X+2X+20X + 2X + 20 QUAL \'E O VALOR DE XX.

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Q. X+2X+20X + 2X + 20 QUAL \'E O VALOR DE XX.
  1. Combine like terms: Identify and combine like terms in the equation X+2X+20X + 2X + 20. \newlineX+2X=3XX + 2X = 3X (combining like terms)\newlineSo, the equation becomes 3X+203X + 20.
  2. Set up equation: Set up the equation to solve for XX.3X+20=03X + 20 = 0 (assuming we are solving for when the expression equals 00)
  3. Isolate term with X: Subtract 2020 from both sides of the equation to isolate the term with XX. \newline3X+20−20=0−203X + 20 - 20 = 0 - 20\newlineThis simplifies to 3X=−203X = -20.
  4. Solve for X: Divide both sides of the equation by 33 to solve for X.\newline3X3=−203\frac{3X}{3} = \frac{-20}{3}\newlineThis simplifies to X=−203X = \frac{-20}{3}.

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