2.4x-1.4x-3x=5.2-8
问题描述:
2.4x-1.4x-3x=5.2-8
答
(2.4-1.4-3)x=-2.8
-2x=-2.8
x=1.4求采纳
2.4x-1.4x-3x=5.2-8
(2.4-1.4-3)x=-2.8
-2x=-2.8
x=1.4求采纳