Does `|-5|+|5|+|-5|=|15|`?

5+x=.15

5, 15, 65, 315, ?

45 div 1.5 - 0.5 = ?

By how much does 5 exceed -5 ?

Observe the following patterns and fill in the blanks to make the statements true: -5xx4=-20 -5xx3=-15=-20-(-5) -5xx2="_____ "=-15-(-5) -5xx1= _____=____ -5xx0= 0 = ______ -5xx-1=5= _____ -5xx-2 = _____=_____

Additional Bits: 5x- sqrt 5 = 15 - sqrt 5, x= _____________

Factorise : (4.5)^2 - (1.5)^2