Find the value of :
$|x-7|$, if $x=6$

 

Find the value of :
$|-13-5|$

Simplify $(-12)\times \left(6\right)\times (-5)\times \left(3\right)$

Let * is an operation on integers such that a*b=$-a+b-(-2)$ for all integers $\mathrm{a}, \mathrm{b}$. Then, find the value of :
$(-5{)}^{*}6$

Let * is an operation on integers such that a*b=$-a+b-(-2)$ for all integers $\mathrm{a}, \mathrm{b}$. Then, find the value of :
$4^{*}3$