问题
解答题
解方程: (1)
(2)
|
答案
(1)
-1=2x-1 3 5x-3 4
4(2x-1)-12=3(5x-3)
8x-4-12=15x-9
-7x=7
x=-1;
(2)
=3x-1 2
-14x+2 5
5(3x-1)=2(4x+2)-10
15x-5=8x+4-10
7x=-1
x=-
.1 7
解方程: (1)
(2)
|
(1)
-1=2x-1 3 5x-3 4
4(2x-1)-12=3(5x-3)
8x-4-12=15x-9
-7x=7
x=-1;
(2)
=3x-1 2
-14x+2 5
5(3x-1)=2(4x+2)-10
15x-5=8x+4-10
7x=-1
x=-
.1 7