-7(4 - a) + 2(-2a - 2) - 8(-8 + a) = -28 + 7a - 4a - 4 + 64 - 8a = (-28 - 4 + 64) + (7 - 4 - 8)a = 32 - 5a
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-7(4 - a) + 2(-2a - 2) - 8(-8 + a) = -28 + 7a - 4a - 4 + 64 - 8a = (-28 - 4 + 64) + (7 - 4 - 8)a = 32 - 5a