We need to see the table to help out, can you attach a picture?:
X+16 + 3x+2 = 90
4x+18=90
4x=72
X=18
Answer is 0.6 decimetres long
It explodes the human body leaving nothing behind except for blood of the decapitated person
the part where it says after tax to repair keishas iphone is represented by the expression 0.09