46.5-x=27.4求解方程并验算.
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46.5-x=27.4求解方程并验算.
![46.5-x=27.4求解方程并验算.](/uploads/image/z/5681353-49-3.jpg?t=46.5-x%3D27.4%E6%B1%82%E8%A7%A3%E6%96%B9%E7%A8%8B%E5%B9%B6%E9%AA%8C%E7%AE%97.)
46.5-X=27.4
46.5-X+X=27.4+X
27.4+X=46.5
X=46.5-27.4
X=19.1
验算:46.5-19.1=27.4
46.5-X+X=27.4+X
27.4+X=46.5
X=46.5-27.4
X=19.1
验算:46.5-19.1=27.4