Question

Памагити. Надо решить неравенство

Answer 1

$\dfrac{7}{36}\, x>2\dfrac{1}{2}\\\\\\\dfrac{7x}{36}>\dfrac{5}{2}\\\\\\7x>\dfrac{5\cdot 36}{2}\ \ ,\ \ \ 7x>5\cdot 18\ \ ,\ \ \ 7x>90\\\\\\x>\dfrac{90}{7}\ \ ,\ \ \ \boxed {\ x>12\dfrac{6}{7}\ }\ \ \ ili\ \ \ \boxed {\ x\in \Big(\ 12\dfrac{6}{7}\ ;\, +\infty \, \Big)\ }$