For What Value Of $x$ Do $6 \vec{i}-x \vec{j}+(x-2) \vec{k}$ And $x \vec{i}-(x+1) \vec{j}+3 \vec{k}$

Short Answer

For what value of $x$ do $6 \vec{i}-x \vec{j}+(x-2) \vec{k}$ and $x \vec{i}-(x+1) \vec{j}+3 \vec{k}$ have the same length?