-2(x+3)-5(x-4) 8x-(-3y+7) + (9x-11) 7a-[9-3(5a-2)]

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-2(x+3) - 5(x-4) = -2x - 6 -5x +20                           = -7x +14                           = -7*(x - 2)This is the first one if your instructions are to simplify or multiply out... Just use these same methods of distribution for the other two.