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Evaluate the expression for r=1r = -1.\newliner3=|r - 3| = _____

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Q. Evaluate the expression for r=1r = -1.\newliner3=|r - 3| = _____
  1. Substitute value of rr: Step 11: Substitute the value of rr into the expression.\newlineCalculation: r3=13|r - 3| = |-1 - 3|\newlineMath reasoning: Replace rr with 1-1 in the expression.
  2. Simplify expression inside: Step 22: Simplify the expression inside the absolute value.\newlineCalculation: |-1 - 3| = |-4|\(\newlineMath reasoning: Adding \$-1\) and \(-3\) gives \(-4\).
  3. Calculate absolute value: Step \(3\): Calculate the absolute value.\(\newline\)Calculation: \(|-4| = 4\)\(\newline\)Math reasoning: The absolute value of \(-4\) is \(4\), as it's the distance from zero on the number line.

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