7(x-1.2)=5x-7.6算试也要啊
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7(x-1.2)=5x-7.6算试也要啊7(x-1.2)=5x-7.6算试也要啊7(x-1.2)=5x-7.6算试也要啊7x-8.4=5x-7.6移项得到7x-5x=8.4-7.62x=0.8x=0.
7(x-1.2)=5x-7.6算试也要啊
7(x-1.2)=5x-7.6
算试也要啊
7(x-1.2)=5x-7.6算试也要啊
7x-8.4=5x-7.6
移项得到
7x-5x=8.4-7.6
2x=0.8
x=0.4
X=0.4
0.4
7X-8.4=5X-7.6
2X=0.8
X=0.4
7(X-1.2)=5X-7.6
7X-8.4=5X-7.6
7X-5X=8.4-7.6
2X=0.8
X=0.4
7(x-1.2)=5x-7.6
7X-8.4=5X-7.6
7X-5X =-7.6+8.4
2X =0.8
X =0.4