From the sum of -93 and -106,subtract the difference of 43 and -86
[(-93)+ (-106) ] - [43 - (-86) ]
= [-199] - [129]
= -328
Subtract:
(1) 5y from 4x
(2) −2a from 3b
(3) 5p from −12p
(4) −4c from −7d
(5) 5pq from 7mn