\(\frac{11x-2}{7x-5}=\frac{11}{8}\)
\(\Leftrightarrow8\left(11x-2\right)=11\left(7x-5\right)\)
\(\Leftrightarrow88x-16=77x-55\)
\(\Leftrightarrow88x-77x=-55+16\)
\(\Leftrightarrow11x=-39\)
\(\Leftrightarrow x=\frac{-39}{11}\)
\(\frac{12x-2}{7x-8}=\frac{11}{8}\)
\(\Rightarrow8\left(12x-2\right)=11\left(7x-8\right)\)
\(\Rightarrow96x-16=77x-88\)
\(\Rightarrow96x-77x=-88+16\)
\(\Rightarrow19x=-72\)
\(\Rightarrow x=-\frac{72}{19}\)
8.(11x-2)=11.(7x-5)
88x-16=77x-55
88x-77x=16-55
11x=-39
x=-39:11
x=-39/11
nhớ k cho mình nha
