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24x - 8 ( 2x + 8 ) = 6x - ( 2 - x ) - 72
24x - 16x - 64 = 6x - ( 2 - x ) - 72
8x - 64 = 6x - ( 2 - x ) - 72
8x - 64 = 6x - 2 - ( - x ) - 72
8x - 64 = 6x - 2 + x - 72
8x - 64 = 7x - 2 - 72
8x - 64 = 7x - 74
8x - 64 - 7x = - 74
x - 64 = - 74
x = - 74 + 64
x = - 10
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