Question

帮忙看一下，急用！请帮忙把算式写出来，谢谢了

如图





Answer 1

(1)

2(x+1)/3 =5(x+1)/6 -1
5(x+1)/6 -2(x+1)/3 =1
(1/6)(x+1) =1
6x+6=1
6x=-5
x=-5/6
(2)
x/3 -5 = (5-x)/2
(x-15)/3 =(5-x)/2
2(x-15)=3(5-x)
2x-30=15-3x
5x=45
x=9

追问

第3个呢

追答

(3)
(5-x)/2 -(4+x)/3=1
(5-x)/2 =1+(4+x)/3
(5-x)/2 =(7+x)/3
3(5-x) =2(7+x)
15-3x=14+2x
5x=1
x=1/5