10у-64=6у; 16m-5=15m-1040-12х=20-11х25-9у=5у+119m-8=6m+78-5n=10-4n-5n-16=3n63-8n=n6x+10=5x+1518=3y+325=5y-528-9m=-8-10 надо

-10у-64=6у; -10у-6у=64; -16у=64; у= -64/16= -4

16m-5=15m-10; 16m-15m=5-10; m= -5

40-12x=20-11x; 12x-11x=40-20; x=20

25-9y=5y+11; 5y+9y=25-11; 14y=14; y=14÷14=1

9m-8=6m+7; 9m-6m=7+8; 3m=15; m=15÷3=5

8-5n=10-4n; 5n-4n=8-10; n= -2

-5n-16=3n; -5n-3n=16; -8n=16; n= -2

63-8n=n; n+8n=63; 9n=63; n=63÷9; n=7

6x+10=5x+15; 6x-5x=15-10; x=5

18=3y+3; 3y=18-3; 3y=15; y=15÷3=5

25=5y-5; 5y=5+25; 5y=30; y=30÷5=6

28-9m= -8-10; 9m=28+18; m=46÷9=5 1/9