3X+6=12 40-4X=20 5+6X=35 18=2X-6 20=38-2X = = = = = = = = =4x-8=1_数学解答

3X+6=12 40-4X=20 5+6X=35 18=2X-6 20=38-2X = = = = = = = = =
4x-8=12 28-7X7 4+3X=34
= = =
= = =

人气：139 ℃　时间：2019-09-09 17:39:48

解答

3X+6=12
3x=6
x=2
40-4X=20
4x=20
x=5
5+6X=35
6x=30
x=5
18=2X-6
2x=24
x=12
20=38-2X
2x=18
x=9
4x-8=12
4x=20
x=5
28-7X=7
7x=35
x=5
4+3X=34
3x=30
x=10