a) 1 3/4 = 2(x+2) +3 (x + 1/4) b) 4 x+7 - 5x-1 = x+5 ------ ------ 2 6 c)x+5 -2x+1 = 1/2 (2-x) ---- ------- 4 8

a) 13/4 = 2(x+2) +3 (x + ¼) 2x + 3x = -3¼ + 4 + ¾ 5x = 1½ | : 5 x = 3/10 b) 4x +7 -5x -1 = x +5 4x - 5x -x = -7 +1 +5 -2x = -1 | : (-2) x = ½ 2. c) x+5 -2x +1 = ½ (2-x) x - 2x + ½x = -5 -1 +1 -½x = -5 | : (-½) x = 10 Malgox;/ 13/4 to nie 1¾