(275-5x)÷10+40-x 用方程怎么算?
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(275-5x)÷10+40-x 用方程怎么算?
(275-5x)÷10=40-x 用方程怎么算?
(275-5x)÷10=40-x 用方程怎么算?
![(275-5x)÷10+40-x 用方程怎么算?](/uploads/image/z/19950524-44-4.jpg?t=%28275-5x%29%C3%B710%2B40-x+%E7%94%A8%E6%96%B9%E7%A8%8B%E6%80%8E%E4%B9%88%E7%AE%97%3F)
(275-5x)÷10=40-x
27.5-0.5x=40-x
12.5=-0.5x
解得x=-25
27.5-0.5x=40-x
12.5=-0.5x
解得x=-25