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Solve for rr.\newliner=4(15r+2)r = 4\left(\frac{1}{5}r + 2\right)\newliner = ____

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Full solution

Q. Solve for rr.\newliner=4(15r+2)r = 4\left(\frac{1}{5}r + 2\right)\newliner = ____
  1. Distribute 44: Distribute 44 into the parentheses.\newlineCalculation: r=4×(15r+2)=45r+8r = 4 \times (\frac{1}{5}r + 2) = \frac{4}{5}r + 8
  2. Move rr terms: Move all rr terms to one side to isolate rr.\newlineCalculation: r−45r=8r - \frac{4}{5}r = 8
  3. Combine like terms: Combine like terms.\newlineCalculation: (55)r−(45)r=8(\frac{5}{5})r - (\frac{4}{5})r = 8\newline15r=8\frac{1}{5}r = 8

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