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(v)9Ă81"=272-x |
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Answer» 9*9^2x = 27^2-x 3²*3^4x = 3^3(2-x) 3^(4x+2) = 3^3(2-x) 4x+2 = 6-3x 4x+3x = 6-2 7x = 4 x = 4/7 Like my answer if you find it useful! |
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