Tìm số tự nhiên x biếta 70 - 5 x - 3 = 45b 10 + 2x = 4
A.a) \(x = 8\), b) \(x = 3\), c) \(x = 4\), d) \(x = 2\)
B.a) \(x = 8\), b) \(x = 3\), c) \(x = 2\), d) \(x = 5\)
C.a) \(x = 8\), b) \(x = 3\), c) \(x = 5\), d) \(x = 2\)
D.a) \(x = 8\), b) \(x = 3\), c) \(x = 4\), d) \(x = 5\)
A.a) \(x = 8\), b) \(x = 3\), c) \(x = 4\), d) \(x = 2\)
B.a) \(x = 8\), b) \(x = 3\), c) \(x = 2\), d) \(x = 5\)
C.a) \(x = 8\), b) \(x = 3\), c) \(x = 5\), d) \(x = 2\)
D.a) \(x = 8\), b) \(x = 3\), c) \(x = 4\), d) \(x = 5\)
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