Question

решить неравенство x/4 + x/3<1

Answer 1

$left. frac{x}{4}+frac{x}{3} textless 1 right| times12 \ 3x+4x textless 12 \ left. 7x textless 12 right| div 7 \ x textless frac{12}{7} Leftrightarrow x textless 1frac57.$