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y+y−0.2yy+ y -0.2y

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Full solution

Q. y+y−0.2yy+ y -0.2y
  1. Identify like terms: We need to combine like terms to simplify the expression. Like terms are terms that contain the same variable raised to the same power. y+y−0.2yy + y - 0.2y can be simplified by adding and subtracting the coefficients of yy.
  2. Add coefficients of like terms: First, we add the coefficients of the terms with yy.1y+1y=2y1y + 1y = 2y
  3. Subtract coefficients: Next, we subtract the coefficient of the term with −0.2y-0.2y from the sum of the first two coefficients.\newline2y−0.2y=2−0.2=1.82y - 0.2y = 2 - 0.2 = 1.8\newlineSo, 2y−0.2y=1.8y2y - 0.2y = 1.8y
  4. Combine terms: We have now simplified the expression to its final form.\newlineThe simplified expression is 1.8y1.8y.

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