A) 46-19= 27 27÷3 = 9 tylko tyle bo jestem na telefoniebibsie źle mi pisze
a) 46 = 19 - 3x 46 - 19 = -3x 27 = -3x / (-1) -27 = 3x / : 3 -9 = x b) -15 - 5x = 10 -5x = 10+ 15 -5x = 25 / : (-1) 5x = -25 / : 5 x = 5 c) 2x - 3 = -13 2x = -13 +3 2x = -10 / : 2 x = -5 d) 6 = -9 + 3x 6 + 9 = 3x 15 = 3x / : 3 5 = x e) -5x + 19 = -26 -5x = -26 - 19 -5x = -45 / : (-5) x = 9 f) -30 = 2x - 12 -30 + 12 = 2x -18 = 2x / : 2 -9 = x g) 8 + 4x = -4 4x = 8 + 4 4x = 12 / : 4 x = 3 h) 27 + 6x = 81 6x = 81 - 27 6x = 54 / : 6 x = 9 i) 13 = -3 + 2x 13 + 3 = 2x 16 = 2x / :2 8 = x j) -6x + 17 = -31 -6x = -31 - 17 -6x = -48 / : (-6) x = 8 k) 32 = -6x + 8 32 - 8 = -6x 24 = -6x / (-6) -4 = x l) 14 - 3x = 41 -3x = 41 - 14 -3x = 27 / : (-3) x = -9 m) 2x - 4 = -10 2x = -10 + 4 2x = -6 / : 2 x = - 3 n) -15 = 3x + 6 -15 - 6 = 3x -21 = 3x / : 3 -7 = x Proszę :) Liczę na naj :p
