Trabalho

EXERCICIOS 1)Resolva as equações a) 6x = 2x + 16 (R:4)b) 2x – 5 = x + 1 (R: 6) c) 2x + 3 = x + 4 (R: 1) d) 5x + 7 = 4x + 10 (R: 3) e) 4x – 10 = 2x + 2 (R: 6) f) 4x – 7 = 8x – 2(R:-5/4) g) 2x + 1 = 4x – 7 (R:4) h) 9x + 9 + 3x = 15 (R: ½) i) 16x – 1 = 12x + 3 (R:1)j) 3x – 2 = 4x + 9 (R:-11) l) 5x -3 + x = 2x + 9 (R:3) m) 17x – 7x = x + 18 (R: 2) n) x + x – 4 = 17 – 2x + 1 ( 11/2) o) x + 2x + 3 – 5x = 4x – 9 ( R:2)p) 5x + 6x – 16 = 3x + 2x - 4 (R:2)q) 5x + 4 = 3x – 2x + 4 (R: 0 ) 2) Resolva as seguintes equações a) 4x – 1 = 3 ( x – 1) (R: -2) b) 3( x – 2) = 2x – 4 (R:2) c) 2( x – 1) = 3x + 4 ( R: -6)d) 3(x – 1) – 7 = 15 (R: 25/3) e) 7 ( x – 4) = 2x – 3 (R: 5) f) 3 ( x –2) = 4(3 – x) (R:18/7) g) 3 ( 3x – 1) = 2 ( 3x + 2) ( R: 7/3) h) 7 ( x – 2 ) = 5 ( x + 3 ) (R: 29/2) i) 3 (2x – 1) = -2 ( x + 3) (R: -3/8) j) 5x – 3( x +2) = 15 (R: 21/2) k) 2x + 3x + 9 = 8(6 –x) (R:3) l) 4(x+ 10) -2(x – 5) = 0 (R: -25) m) 3 (2x + 3 ) – 4 (x -1) = 3 ( R: -5) n) 7 (x – 1) – 2 ( x- 5) = x – 5 (R: -2) o) 2 (3 – x ) = 3 ( x -4) + 15 (R: 3/5) p) 3 ( 5 – x ) – 3 ( 1 – 2x) = 42 (R:10) q) ( 4x + 6) – 2x = (x – 6) + 10 +14 (R:12) r) ( x – 3) – ( x + 2) + 2( x – 1) – 5 = 0 ( R:6)s) 3x -2 ( 4x – 3 ) = 2 – 3( x – 1) ( R ½)t) 3( x- 1) – ( x – 3) + 5 ( x – 2) = 18 ( R: 4) u) 5( x – 3 ) – 4 ( x + 2 ) = 2 + 3( 1 – 2x) (R:4)

3) Resolva as seguintes equações a) 2x + 5 - 5x = -1 (R=2) b) 5 + 6x = 5x + 2 (R=-3) c) x + 2x - 1 - 3 = x (R=2)d) -3x + 10 = 2x + 8 +1 (R= 1/5) e) 5x - 5 + x = 9 + x (R=14/5)f) 7x - 4 - x = -7x + 8 - 3x (R=12/16) g) -x -5 + 4x = -7x + 6x + 15 (R=5) h) 3x - 2x = 3x + 2 (R=-1) i) 2 - 4x = 32 - 18x + 12 (R=3) j) 2x - 1 = -3 + x + 4 (R= 2)l) 3x - 2 - 2x - 3 = 0 (R= 5) m) 10 - 9x + 2x = 2 - 3x (R=2) n) 4x - 4 - 5x = -6 + 90 (R= -88) o) 2 - 3x = -2x + 12 - 3x (R=5) 4) Resolva as seguintes equações a) 7(x - 5) = 3 (x + 1) (R=19/2 ou 38/4) b) 3 ( x - 2 ) = 4 (-x + 3) (R=18/7)