Trang chủ » Hỏi đáp » Môn Toán `1/2(x – 4/5 ) – 3.( x + 2/9) = 5` 06/02/2024 `1/2(x – 4/5 ) – 3.( x + 2/9) = 5`
1/2 (x – 4/5) – 3 . (x + 2/9) = 5 => 1/2x – 2/5 – 3x – 2/3 = 5 => 1/2x – 16/15 – 3x = 5 => 15x – 32 – 90x = 150 => – 75x – 32 = 150 => – 75x = 150 + 32 => – 75x = 182 => x = 182 : (-75) => x = -182/75 Vậy x = – 182/75 $\boxed{\color{green}{\text{#????????????????????}}}$ Trả lời
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