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7x-25.8=x
We move all terms to the left:
7x-25.8-(x)=0
We add all the numbers together, and all the variables
6x-25.8=0
We move all terms containing x to the left, all other terms to the right
6x=25.8
x=25.8/6
x=4+1/3.3333333333333
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