Multiple Choice

A logistics coordinator is using the standard problem-solving strategy to find a missing inventory value based on the statement: 'The sum of twice the number of standard units and 10 is 50.' After translating this into the equation 2n + 10 = 50 and performing the first step of subtracting 10 from both sides, which inverse operation must be recalled to isolate the variable 'n' in the final step?

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Updated 2026-04-21

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