
求解这三道题。
展开全部
(1)
(3x-2)/4 = (1/3)x+ 2
3x-2 = (4/3)x+ 8
(5/3)x=10
x=6
(2)
(1)
(x-1)/2= 1 - (5x+3)/5
x-1= 2 - 2(5x+3)/5
5(x-1)= 10 - 2(5x+3)
5x-5 =10-10x-6
15x=9
x=3/5
(2)
(3-x)/2-(x+2)/3 =1
3(3-x)-2(x+2) =6
9-3x-2x-4=6
5x=-1
x=-1/5
(3x-2)/4 = (1/3)x+ 2
3x-2 = (4/3)x+ 8
(5/3)x=10
x=6
(2)
(1)
(x-1)/2= 1 - (5x+3)/5
x-1= 2 - 2(5x+3)/5
5(x-1)= 10 - 2(5x+3)
5x-5 =10-10x-6
15x=9
x=3/5
(2)
(3-x)/2-(x+2)/3 =1
3(3-x)-2(x+2) =6
9-3x-2x-4=6
5x=-1
x=-1/5
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