0.4x+2=4.8怎么解方程

问题描述:

0.4x+2=4.8怎么解方程

0.4x+2=4.8
0.4x=4.8-2
0.4x=2.8
x=2.8÷0.4
x=7

0.4x+2=4.8
0.4x=4.8-2
0.4x=2.8
x=7

0.4x+2=4.8
0.4x=4.8-2
x=2.8\0.4
x=7

先移相,把2移到右边去
在两边除以0.4就好了
0.4x+2=4.8
X=(4.8-2)除以0.4
X=2.8除以0.4
X=7

0.4x+2=4.8
X=(4.8-2)除以0.4
X=2.8除以0.4
X=7