alice-khan_60a9e0eda4981
alice-khan_60a9e0eda4981
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a) 7^2x-1 = 7^x . 7^3 7^2x-1 = 7^x+3 2x-1 = x+3 2x - x = 3+1 x = 4 b) 9^2x = 27^x^-4 3^2^2x = 3^3^x-4 3^4x = 3^3x-12 4x = 3x -12 4x -3x = -12 x = -12 c) 2^2x = 1024 2^2x = 2^10 2x = 10 …