问题描述:
(1)5x-4x=1 (2)4x-7x=2 (3)4.2x-3.2x=36 (4)3/4x-x=1
(1)5x-4x=1
(2)4x-7x=2
(3)4.2x-3.2x=36
(4)3/4x-x=1/3
(1)5x-4x=1
(2)4x-7x=2
(3)4.2x-3.2x=36
(4)3/4x-x=1/3
问题解答:
我来补答展开全文阅读