\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\б) [tex]\frac{5}{6}x+1\frac{2}{3}=2x-3\\ \\5x+10=12x-18\\\\5x-12x=-18-10\\\\-7x=-28\\\\x=4\\\\[/tex]
в)[tex]\frac{3}{2x-1}=\frac{5}{3x-2}\\ \\x\neq \frac{1}{2} \\ \\ x\neq \frac{2}{3} \\\\3(3x-2)=5(2x-1)\\\\9x-6=10x-5\\\\9x-10x=-5+6\\\\-x=1\\\\x=-1[/tex]
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\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\б) [tex]\frac{5}{6}x+1\frac{2}{3}=2x-3\\ \\5x+10=12x-18\\\\5x-12x=-18-10\\\\-7x=-28\\\\x=4\\\\[/tex]
в)[tex]\frac{3}{2x-1}=\frac{5}{3x-2}\\ \\x\neq \frac{1}{2} \\ \\ x\neq \frac{2}{3} \\\\3(3x-2)=5(2x-1)\\\\9x-6=10x-5\\\\9x-10x=-5+6\\\\-x=1\\\\x=-1[/tex]