8.4x=4(x+2.2)解方程

2024-12-04 15:19:28
推荐回答(3个)
回答1:

8.4x=4(x+2.2)
解:8.4X=4X+8.8
8.4X-4X=8.8
4.4X=8.8
X=2

回答2:

8.4x=4(x+2.2)
2.1x=x+2.2
2.1x-x=2.2
1.1x=2.2
x=2

回答3:

8,4x-4x=8.8
0.4x=8.8
x=8.8/0.4
x=22