If $x+1=0$, then $x=$

Find an integer $x$ such that $x+5=0$.

Find an integer $x$ such that $-3+x=0$.

Find an integer $x$ such that

$x+(-8)=0$

Find an integer $x$ such that

$7+x=0$

Find an integer $x$ such that

$x+0=0$

Subtract the first integer from the second $12,-5$.

Subtract the first integer from the second $-12, 8$.

Subtract the first integer from the second $-225, -135$.