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=8.4-7.6
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