解方程 4x-2/3=4/9 5/8x-1/3x=14/15

问题描述:

解方程 4x-2/3=4/9 5/8x-1/3x=14/15

4x-2/3=4/9
36x-6=4
36x=10
x=5/18
5/8x-1/3x=14/15
15x-40x=112
25x=-112
x=-112/25

4x-2/3=4/9
4x=4/9+2/3
=10/9
x=10/9÷4
=5/18
5/8x-1/3x=14/15
(5/8-1/3)x=14/15
7/24x=14/15
x=14/15÷7/24
=16/5
祝你开心

4x-2/3=4/9
4x=10/9
x=5/18
5/8x-1/3x=14/15
7/24x=14/15
x=16/5