Giải phương trình 5b / (-4) = 5. Giải phương trình -4a - 1 = 7.
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quy tắc chuyển vế lớp 7
- Giải phương trình y / 16 = 1. Giải phương trình z + 5 = 13.
- Giải phương trình 4g = 20.
- Giải phương trình f - 6 = -2.
- Giải phương trình j - 71 = 1.
- Giải phương trình l / 6 = 2. Giải phương trình 19 + m = 22.
- Giải phương trình 6n = -42.
- Giải phương trình 2g = 10.
- Giải phương trình u / 39 = 1. Giải phương trình v + 3 = 7.
- Giải phương trình w - 42 = 2.
- Giải phương trình n - 1 = 17.
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