0.5x-7=(9x-2)÷6 (2x+1)÷3—(5x-1)÷6=1 各位大哥哥大姐姐告诉下,如果可以的话,过程也写下
5个回答
0.5x-7=(9x-2)÷6
3x-42=9x-2
-6x=40
x=-3/20
(2x+1)÷3—(5x-1)÷6=1
4x+2-5x+1=6
-x=3
x=-3
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