4(X-1.5)=6 (求未知数、写出过程)
4x-6=6
4x=12
x=3
6X+2分之1=8分之3 (求未知数、写出过程)
6x=3/8-1/2
6x=-1/8
x=-1/48
160×25%-1.3X=17.9 (求未知数、写出过程)
40-1.3x=17.9
1.3x=40-17.9
1.3x=22.1
x=17
4(X-1.5)=6 (求未知数、写出过程)
4x-6=6
4x=12
x=3
6X+2分之1=8分之3 (求未知数、写出过程)
6x=3/8-1/2
6x=-1/8
x=-1/48
160×25%-1.3X=17.9 (求未知数、写出过程)
40-1.3x=17.9
1.3x=40-17.9
1.3x=22.1
x=17