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Solve for rr.\newline8=4+2r8 = 4 + 2r\newliner=r = _____

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Full solution

Q. Solve for rr.\newline8=4+2r8 = 4 + 2r\newliner=r = _____
  1. Isolate variable term: Isolate the variable term by subtracting 44 from both sides.\newline8=4+2r8 = 4 + 2r\newline8−4=4+2r−48 - 4 = 4 + 2r - 4\newline4=2r4 = 2r
  2. Divide by 22: Divide both sides by 22 to solve for rr.4=2r4 = 2r42=2r2\frac{4}{2} = \frac{2r}{2}2=r2 = r

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