2(x-2)=7x-5

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2(x-2)=7x-52(x-2)=7x-52(x-2)=7x-51/5正解1/52x-4=7x-5-5x=-1x=-1/52x-4=7x-55x=1x=1/5

2(x-2)=7x-5
2(x-2)=7x-5

2(x-2)=7x-5
1/5正解

1/5

2x-4=7x-5
-5x=-1
x=-1/5

2x-4=7x-5
5x=1
x=1/5