(2x-1)÷6=(5x+1)÷8怎么做?求21:
3个回答
(2x-1)÷6=(5x+1)÷8
(2X-1)×4=(5X+1)×3(两边同乘24)
8X-4=15X+3
8X-15X=3+4(移项)
-7X=7(合并同类项)
X=-1
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