(2x十1)÷3一(5x一1)÷6=3(解方程)

2025-04-03 05:16:49
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回答1:

(2x十1)÷3一(5x一1)÷6=3
2*(2x十1)一(5x一1)=18
4x+2-5x+5=18
-x=18-7
x=-11