Answer:
no solution
Step-by-step explanion
there is no solution since the x's cancel out
3427.68/54 could be another way
If you're looking to find X, then X would equal 16, since 16 minus 3 would equal 13
I think the answer would be 36:16 because if you do the area of the first figure (6x6) it equals 36 and the second figure (4x4) it equals 16