3.10x+2.52(10-x)=2.75 How do I solve?

It's from a chemistry problem.
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1 Answer

3.1x +2.52(10-x) =2.75 . . . 3.1x -2.52x +25.2=2.75 . . . 0.58x =2.75 -25.2 . . . 0.58x =-22.45 . . . . x=-22.45/0.58 . . . x=-38.70689655
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