To evaluate the expression \(-28 + (-22 + (-10))\), follow the order of operations:
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Start by simplifying the innermost parentheses: \[ -22 + (-10) = -22 - 10 = -32 \]
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Now substitute this back into the expression: \[ -28 + (-32) \]
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Now perform the addition: \[ -28 - 32 = -60 \]
Thus, the final result is: \[ \boxed{-60} \]