Multiple Choice

A warehouse coordinator is using the equation 5(a−3)+5=−105(a - 3) + 5 = -10 to calculate a stock adjustment factor, 'a'. After simplifying the left side, the equation becomes 5a−10=−105a - 10 = -10. Which specific algebraic property is then used to add 10 to both sides of the equation to isolate the variable term?

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Updated 2026-09-18

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