Реши уравнение: 1) 17 - 12n = 3n - 13 2) 6x + 5 = - вопрос №1171231326573315442415151391189 от mariyavlasova2 11.02.2020 02:46

Question

Математика: Реши уравнение: 1) 17 - 12n = 3n - 13 2) 6x + 5 = 7x + 3 3) 15 + 4y = y 4) 24 - 15m = 15 - 14m 5) - 10z + 75 = -5z 6) 6n - 35 = n 7) 18 - 12x = 25 - 13x 8) - 7m - 33 = 4m 9) 15z + 14 = 14z - 9 10) 17- 8y = 4y - 7 !

mariyavlasova2 · Answer

1) 17-12n=3n-1317+13=3n+12n30=15n2=n2) 6x+5=7x+36x-7x=3-5-x=-2x=23) 15+4y=y4y-y=-153y=-15y=-54) 24-15m=15-14m24-15=-14m+15m9=m5) -10z+75=-5z-10z+5z=-75-5z=-75z=156) 6n-35=n6n-n=355n=35n=77) 18-12x=25-13x-12x+13x=25-18x=78) -7m-33=4m-33=4m+7m-33=11m-3=m9) 15z+14=14z-915z-14z=-9-14z=-2310) 17-8y=4y-717+7=4y+8y24=12y2=y...