Решите уровнение у+2/7=1/3 х-1/6=7/9 у-3/8=5/32 у+2/5=1/2
1)y+2/7=1/3 y=1/3-2/7 y=7/21-6/21 y=1/21 2)x-1/6=7/9 x=7/9+1/6 x=14/18+3/18 x=17/18 3)y-3/8=5/32 y=5/32+3/8 y=5/32+12/32 y=17/32 4)y=1/2-2/5 y=5/10-4/10 y=1/10