Which expression is equivalent to open paren negative 3 y minus x close paren minus open paren 5 y minus 8 x close paren ?

Distribute the subtraction across the second parentheses: (-3y - x) - (5y - 8x) = -3y - x - 5y + 8x. Combine like terms to get -8y + 7x. This matches choice D, negative 8y plus 7x.

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