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Q. Solve the inequality $\frac {2x-5\le (4x-7)}{3}$ ?

J & K CETJ & K CET 2014Linear Inequalities

Solution:

Given, $ 2x-5\le \frac{(4x-7)}{3} $
$ \Rightarrow $ $ 6x-15\le 4x-7 $
$ \Rightarrow $ $ 6x-4x\le -7+15 $
$ \Rightarrow $ $ 2x\le 8 $
$ \Rightarrow $ $ x\le \frac{8}{2}\,\,\,\,\,\Rightarrow \,\,\,\,\,\,x\le 4 $
$ \therefore $ $ x\in (-\infty ,\,4] $