rozwiąż równania: b. 1-6/7x = 4/7 d. x/6 - 1/6 = 1 f. 2/5 (3-x) = -2 h . 1/5 (x-3) = 9-x podrecznik str.177.z 9 przykłądy b,d,f,h podrecznik do gimnazjum a ten azan np:1/2 to ułamek np; jedan dróga prosze o szybka odp na jutro ;ppp

b. 1-6/7x = 4/7 /*7x 1-6= 4x -5= 4x /:4 x = -5/4 x= -1 1/4 d. x/6-1/6 = 1 /*6 x-1=6 x=6+1 x=7 f. 2/5(3-x) = -2 /*5 2(3-x) = -10 6-2x = -10 -2x = - 10-6 -2x= -16 /:(-2) x=8 h. 1/5(x-3)=9-x /*5 x-3 = 45-5x x+5x = 45+ 3 6x=48 /:6 x=8

b. 1-6/7x = 4/7 / *7 7-6x = 4 -6x = 4-7 -6x = -3 / :(-6) x = ³/₆ x = ½ d. x/6 - 1/6 = 1 / *6 x - 1 = 6 x = 6+1 x = 7 f. 2/5 (3-x) = -2 ⁶/₅ - ²/₅ x = -2 - ²/₅ x = -2 - 1 ⅕ - ²/₅ x = -3 ⅕ / * (- ⁵/₂) x = - ¹⁶/₅ * (- ⁵/₂) x = 8 h . 1/5 (x-3) = 9-x ⅕ x - ³/₅ = 9- x ⅕ x+x = 9 + ³/₅ 1 ⅕ x = 9 ³/₅ ⁶/₅ x = ⁴⁸/₅ / * ⁵/₆ x = ⁴⁸/₅* ⁵/₆ x = 8