Алгебра
Английский
Биология
География
Геометрия
История
Русский
Обществознание
Физика
Химия
Информатика
Литература
МатематикаВопрос:
-x - 7 = -5x
Ответ:
1. Add 5x to both sides: 4x - 7 = 0.
2. Add 7 to both sides: 4x = 7.
3. Divide by 4: x = 7/4.
2. Add 7 to both sides: 4x = 7.
3. Divide by 4: x = 7/4.
Похожие
- 8x - 5 = 10x
- 6x - x - 2
- 9x - 4 = 10x
- 5x - 3 = -10x
- x + 9 = -9x
- 3x - 8 = -x
- 2x + 7 = -2x
- -5x = 5x - 6
- -x - 2 = 9x
- -6x - 5 = 4x
- -x + 7 = 6x
- -7x + 8 = 9x
- -x + 2 = 4x
- -9x - 8 = -8x
- -5x + 2 = -10x
- -2x + 3 = -8x
- -4x = -10x - 9
- 6 + 3x = 4x - 1
- -1 + 2x = 10x + 3
- -4 + 3x = 8x + 5
- 9 + 4x = 8x - 9
- 2 + 8x = 3x + 9
- 6 - 2x = 3x - 10
- 5 - 2x = 8x + 9
