1) 6-2y=8-3y, 2) 15x+3=10x-12, 3) - 5x-11=-6x-12, 4) 3x+5=8x-12, 5) 5 (x+3) = 27+3x, 6) 3y + (4-2y) = 6

1) 6-2y=8-3y

-2 у+3 у=8-6

у=2

2) 15x+3=10x-12

15 х-10 х=-12-3

5 х=-15

х=-15:5

у=-3

3) - 5x-11=-6x-12

-5 х+6 х=-12+11

х=-1

4) 3x+5=8x-12

3 х-8 х=-12-5

-5 х=-17

х=-17: (-5)

х=3,4

5) 5 (x+3) = 27+3x

5 х+15=27+3 х

5 х-3 х=27-15

2 х=12

х=12:2

х=6

6) 3y + (4-2y) = 6

3 у+4-2 у=6

у=6-4

у=2