6x+12.5-2x=22.5

问题描述:

6x+12.5-2x=22.5

(6x-2x)=22.5-12.5
4x=10
x=2.5

4x=10 x=2.5

6x+12.5-2x=22.5
6x-2x=22.5-12.5
4x=10
x=2.5

6x+12.5-2x=22.5
4x=22.5-12.5
4x=10
x=5/2(或写成2.5)

6x+12.5-2x=22.5
4x=22.5-12.5
4x=10
x=2.5
希望对你有帮助 O(∩_∩)O

x=2.5

6x+12.5-2x=22.5
4x=10
x=2.5