13.2x+9x=33.3怎么解方程

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13.2x+9x=33.3怎么解方程13.2x+9x=33.3怎么解方程13.2x+9x=33.3怎么解方程13.2x+9x=33.3(13.2-9)x=33.34.2x=33.3x=33.3除以4.

13.2x+9x=33.3怎么解方程
13.2x+9x=33.3怎么解方程

13.2x+9x=33.3怎么解方程
13.2x+9x=33.3
(13.2-9)x=33.3
4.2x=33.3
x=33.3除以4.2
x=7.93
请采纳我的答案为最佳吧

22.2x=33.3
x=33.3/22.2
x=1.5

22.2x=33.3
x=33.3/22.2
x=333/222

13.2x+9x=33.3
(13.2+9)x=33.3
22.2x=33.3
x=3/2=1.5

22.2x=33.3
x=1.5

13.2x+9x=33.3
解 22.2x=33.3
 x=33.3÷22.2
 x=1.5
完整答案求采纳

22.2x=33.3 x=1.5

(13.2+9)x=33.3
22.2x=33.3
22.2x÷22.2= 33.3÷22.2
x=1.5

22.2x=33.3
22.2x/22.2=33.3/22.2
x=1.5