Задача Задача №3378941
А
А
Solve the linear equation:
2 + 3x = -7x - 5
- Add 7x to both sides: 2 + 10x = -5
- Subtract 2: 10x = -7
- Divide by 10: x = -7/10 = -0.7
Check:
Left = 2 + 3(-7/10) = 2 - 21/10 = -1/10
Right = -7(-7/10) - 5 = 49/10 - 50/10 = -1/10
Both sides match. So x = -7/10.