1 2 x 8 )= 3 2x 7 July 8, 2019 16 32 64 128 8 2x 3 )+ 7 4 2 x )- 1 1 2x 7 2 3x 8 3 2 x 4 1/2(2x – 8) ≤ 3x – 5) + 7 2^x + 8^x = 130
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