6, \(\Rightarrow-2\left(x-3\right)-8=5\left(x+2\right)\Leftrightarrow-2x-2=5x+10\)
\(\Leftrightarrow7x=-12\Leftrightarrow x=-\dfrac{12}{7}\)
7, \(\Rightarrow6\left(2x+1\right)-5\left(x+6\right)=5-4x\Leftrightarrow7x-24=5-4x\)
\(\Leftrightarrow11x=29\Leftrightarrow x=\dfrac{29}{11}\)
8, \(\Rightarrow35-15x-10-2x=10\Leftrightarrow25-17x=10\Leftrightarrow x=\dfrac{15}{17}\)
6: \(\Leftrightarrow-2\left(x-3\right)-8=5x+10\)
=>5x+10=-2x+6-8
=>5x+10=-2x-2
=>7x=-12
hay x=-12/7
7: \(\Leftrightarrow6\left(2x+1\right)-5\left(x+6\right)=5-4x\)
=>12x+6-5x-30-5+4x=0
=>11x-29=0
hay x=29/11
8: \(\Leftrightarrow5\left(7-3x\right)-2\left(x+5\right)=10\)
=>35-15x-2x-10=10
=>-17x=-15
hay x=15/17
\(\dfrac{-x+3}{2}-2=\dfrac{5x+10}{4}\)
\(\dfrac{-x-1}{2}=\dfrac{5x+10}{4}\)
\(-4x-4=10x+20\)
\(-14x=24\)
\(x=\dfrac{24}{-14}=-\dfrac{12}{7}\)
