9x+3.2x=48.8方程怎么解

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9x+3.2x=48.8方程怎么解9x+3.2x=48.8方程怎么解9x+3.2x=48.8方程怎么解9x+3.2x=48.812.2x=48.8x=48.8/12.2x=49x+3.2x=48.81

9x+3.2x=48.8方程怎么解
9x+3.2x=48.8方程怎么解

9x+3.2x=48.8方程怎么解
9x+3.2x=48.8
12.2x=48.8
x=48.8/12.2
x=4

9x+3.2x=48.8
12.2x=48.8
x=48.8/12.2
x=4

9X+3.2x=48.8
12.2X=48.8
X=4

x=4

9x+3.2x=48.8
x(9+3.2)=48.8
12.2x=48.8
x=48.8/12.2
x=4

9X+3.2x=48.8
12.2X=48.8
X=4 9X+3.2x=48.8
12.2X=48.8
X=4