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Simplify the expression:\newline7(1+3r)=7(1 + 3r) = _____

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Full solution

Q. Simplify the expression:\newline7(1+3r)=7(1 + 3r) = _____
  1. Distribute 77 to terms: Write 7(1+3r)7(1 + 3r) in expanded form by distributing 77 to each term inside the parentheses.\newlineCalculation: 7×1+7×3r=7+21r7 \times 1 + 7 \times 3r = 7 + 21r
  2. Combine terms: Combine the terms to write the simplified expression.\newlineCalculation: 7+21r7 + 21r

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