Mathematics
Senior High
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(3) |x|+|x-31=5
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Mathematics
Senior High
(2)と(3)の解説をお願いします🙇🏻♀️🙇🏻♀️
練習次の方程式, 不等式を解け。 2 (1) |x-3|=2x (2) |x-4|≦2x+1 (3) |x+1|>5x
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