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標題:
Mathes,20 point
發問:
3x+2y-69w/9=18 y=23 x=? w=?
3x + 2y - 69w/9 = 18 when y = 23, 3x + 2(23) - 69w/9 = 18 3x + 46 - 69w/9 = 18 3x - 69w/9 = -28 !!! If there is no more restrictions on x and w, it is impossible to solve two unknowns in one equation.
其他解答:
Mathes,20 point
發問:
3x+2y-69w/9=18 y=23 x=? w=?
此文章來自奇摩知識+如有不便請留言告知
最佳解答:3x + 2y - 69w/9 = 18 when y = 23, 3x + 2(23) - 69w/9 = 18 3x + 46 - 69w/9 = 18 3x - 69w/9 = -28 !!! If there is no more restrictions on x and w, it is impossible to solve two unknowns in one equation.
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