4/5x-12.6=40%x解方程怎样解

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4/5x-12.6=40%x解方程怎样解4/5x-12.6=40%x解方程怎样解4/5x-12.6=40%x解方程怎样解移项并合并,得(4/5-40%)x=12.60.4x=12.6x=31.54/5

4/5x-12.6=40%x解方程怎样解
4/5x-12.6=40%x解方程怎样解

4/5x-12.6=40%x解方程怎样解
移项并合并,得(4/5-40%)x=12.6
0.4x=12.6
x=31.5

4/5x-12.6=0.4x
0.8x-12.6=0.4x
0.4x=12.6
x=31.5

移项并合并,得(4/5-40%)x=12.6
0.4x=12.6
x=31.5