巧通分,解方程x+3⼀7-×+2⼀5=×+1⼀6-×+4⼀4

巧通分,解方程x+3/7-×+2/5=×+1/6-×+4/4
2024-11-23 21:43:03
推荐回答(2个)
回答1:

x+3/7-×+2/5=×+1/6-×+4/4

(5x+15-7x-14)/35=(4x+4-6x-6)/24
(-2x+1)/35=(-2x-2)/24
-48x+24=-70x-70
22x=-94
x=-47/11

回答2:

(5x+15-7x-14)/35=(4x+4-6x-24)/24
(-2x+1)/35=(-2x-20)/24
(-2x+1)/35=(-x-10)/12
-24x+12=-35x-350
x=-362/11