Deci- means 1/10 or .1 of a unit.
I can't see the following you miss of didn't pin it I think....
52/2= 26
The quotient is 26, but there are no remainder.
Hope this helps!
6/x= -2/18
Cross multiply. ( Multiply the numerators together ) . ( Multiply the denominators together (.
6*18= - 2*x
108= -2x
Divide by -2 for 108 and -2x
108/-2= -2x/2
x= -54
Answer: x= -54