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Verified answer

[tex]\displaystyle 0,2(15x+25)=1,5(x-3)-12,5\\3x+5=1,5x-4,5-12,5\\3x+5=1,5x-17\\3x-1,5x=-17-5\\1,5x=-22\\\\x=-\frac{44}{3}=-14\frac{2}{3}[/tex]