$\displaystyle \displaystyle\left\lceil x\right\rceil=\left\lfloor x\right\rfloor +1$

Let $\displaystyle \displaystyle x=x'+d \ \ni \ x'\in\mathbb{Z} \ \mbox{and} \ 0<d<1$

$\displaystyle \displaystyle\left\lceil x'+d\right\rceil =x'+1$

How can I translate this into the RHS now?