Multiple Choice

A retail manager is using the formula 10[38(2s5)]=15(405s)10[3 - 8(2s - 5)] = 15(40 - 5s) to calculate inventory restock cycles. While simplifying the left side of the equation, the manager correctly identifies that they cannot subtract 8 from 3 to get -5 as the first step. Which fundamental algebraic rule must the manager recall to justify distributing the -8 before performing any subtraction?

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Updated 2026-04-21

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