Giải phương trình -a - (-4) = -2.
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quy tắc chuyển vế lớp 7
- Giải phương trình n - 16 = 2.
- Giải phương trình c / 41 = 1. Giải phương trình 15 + x = 21.
- Giải phương trình (2x - 4) / 2 = 5 bằng quy tắc chuyển vế.
- Giải phương trình u / 40 = 1. Giải phương trình v + 25 = 25.
- Giải phương trình 8x = 40.
- Giải phương trình c - (-12) = -4.
- Giải phương trình h / 12 = 3. Giải phương trình i + 22 = 28.
- Giải phương trình y / 40 = 1. Giải phương trình z + 20 = 24.
- Giải phương trình y / (-4) = -9. Giải phương trình 18 + (-z) = 11.
- Giải phương trình 9h = -63.
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