4x+0.5x-4.5×0.8=0

问题描述:

4x+0.5x-4.5×0.8=0

4.5X=3.6 x=0.8


4x+0.5x-4.5×0.8=0
4.5x-4.5×0.8=0
4.5x=4.5×0.8
x=0.8

4x+0.5x-4.5×0.8=0
4.5x=4.5x0.8
x=0.8

4.5x=4.5X0.8
x=0.8

4x+0.5x-4.5×0.8=0
4.5x-3.6=0
4.5x=3.6
x=3.6÷4.5
x=0.8
不懂可追问!