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Curso <strong>de</strong> linguagem matemática – Professor Renato TiãoOitavo bloco:a) x = 2b) x -5 = 2c) x+3 = 0d)2x -5x = -1e) 2x+8 = 6f)25x = x -6g) x+3 - 5 = xh) x+3 = x -5i) x -1 + x -7 = 10j) x -1 + x -7 = 6k) x -1 + x -7 = 4l) 2x -3 = 3-2xm) 2x+ x -3 = 12Décimo bloco:a) log x = 37b) logx -1=2c) log(x -1) = 2d) log (1+2x) = 23e) log (25- x ) = 42f) log (x +100) = 352g) 6+3log (6-3x) = 04100h) log (7+ ) = 52 x28i) 7- = 5logx8j) = 27 - log(x+2)k)log 0,25= -1xl) log =x ( 2 2)3m)log 5=5xn)log (5x) =5xa)b)c)x4 = 0,125x x-27 +7 =50x8 + 256 = 02xd) 2 -8 ⋅2 +12= 0xe) 25 +125= 30 ⋅5xf) 49 +50 ⋅7 +49 = 0g)h)i)j)xxx 5 -x2 +2 =18x - 3x =12 x-2(x +4x+4) = 1x x-1 x-24 -15 = 4Nono bloco:xo)log (8x -7) = 2xp) log(x − 1)(5x -9) = 21q) log (1+ ) = 1x xr)s)2logx - 4logx+3= 02(logx) - 4logx+3= 0t) log (12-2 ) = 2x2u) log10 x + 2logx10 = 3v) log2 x −log 2(x −3) =2xw) logx2=log x4x) 2log2(1+ 2x) − log2( 2x) =3y) log (x-2)-log x =142

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