Multiple Choice

A financial analyst is documenting the algebraic steps used to simplify the cost-adjustment formula −4(a−3)−7=25-4(a - 3) - 7 = 25. In the first step, the analyst distributes the −4-4 across the parentheses, resulting in −4a+12−7=25-4a + 12 - 7 = 25. Which fundamental mathematical rule justifies why the constant term becomes positive 1212?

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Updated 2026-09-18

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