Пошаговое объяснение:
1. = 9x-15-6x+4 = 3x-11
2. = 10y-3+6y+2 = 16y-1
4. = 6b+5
6. = -8x+72+5x+5y-7 = -3x+65+5y
7. = 3x-7-3x-16x+32 = 25-16x
8. = -2a+2b-12+3c-4 = -2a+2b-16+3c
9. = -2x+2y+2x-c+24 = 2y-c+24
Пошаговое объяснение:
1. = 9x-15-6x+4 = 3x-11
2. = 10y-3+6y+2 = 16y-1
4. = 6b+5
6. = -8x+72+5x+5y-7 = -3x+65+5y
7. = 3x-7-3x-16x+32 = 25-16x
8. = -2a+2b-12+3c-4 = -2a+2b-16+3c
9. = -2x+2y+2x-c+24 = 2y-c+24