Question

solve
$\left\{x|4x-25>13,x\in Z\right\}$

Answer 1

$\{x:4x-25>13,x\in Z\}$

$=\{x:4x>13+25,x\in Z\}$

$=\{x:4x>38,x\in Z\}$

$=\{x:x>\frac{38}{4}=\frac{19}{2},x\in Z\}$

$=\{x:x>\frac{19}{2},x\in Z\}$

$=\{10,11,12,13,...,\}$