a) 2x-5=17 /+5 2x=22 /:2 x=11 b) 4x-9=x+12 /+9 3x=21 /3 x=7 c) 5x-12=3x=4 /+12 2x=16 /:2 x=8 d) 6x-18=2x+2 /=18 4x=20 /:4 x=5 A) 11x+10 = 2x+37 9x=27 /:9 x=3 b)12x+6=9x+12 3x=6 /:3 x=3 c) 10x+16=3x+2 7x= -14 /:7 x= -2 d)13x+30=21x+4 26=8x /:8 3,25=x
a) 2x-5=17 2x = 17+5 2x = 22 /:2 x = 11 b)4x-9=x+12 4x-x = 12+9 3x = 21 /:3 x = 7 c)5x-12=3x+4 5x-3x = 4+12 2x = 16 /:2 x = 8 d)6x-18=2x+2 6x-2x = 2+18 4x = 20 /:4 x = 5 A) 11x+10=2x+37 11x-2x = 37-10 9x = 27 /:9 x = 3 b)12x+6=9x+12 12x-9x = 21-6 3x = 15 /:3 x = 5 c)10x+16=3x+2 10x-3x = 2-16 7x = -14 /:7 x = -2 d)13x+30=21x+14 13x-21x = 14-30 -8x = -16 /:(-8) x = 2
rozwiąż równanie a) 11x + 10 = 2x +37 b) 12x + 6 = 9x +12 c) 10x + 16 = 3x +2 d) 13x + 30 = 21x +14 do każdego równania wykonaj sprawdzenie z góry dzięki ;p...
rozwiąż równania zad 1 2x+7=13 7x+4=3x+20 9x+10=4x+25 zad 2 2x-5=17 4x-9+x=12 5x-12=3x+4 6x-18=2x+2 zad 3 11x+10=2x+37 12x+6=9x+12 10x+16=3x+2 13x+30=21x+14 zad 4 5x-12=4+4x 9x-8=3x+2 10x-4=5x+8 2x-...
