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x+0.03x=279
We move all terms to the left:
x+0.03x-(279)=0
We add all the numbers together, and all the variables
1.03x-279=0
We move all terms containing x to the left, all other terms to the right
1.03x=279
x=279/1.03
x=270+0.89999999999998/1.03
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