It is: 55 -28 = 27
2013 minus 1958 = 55
(-45) - (-55) *Minus plus is equals to minus.( -,+ = - ) minus minus is equal to plus (-,- = + ) and plus plus is equal to plus (+,+ = +) so the ans is that, (-45) +55 -45 + 55 (+10)ans Greater value sign has been used, which is 55 so the ans is +10.
90 - 55 = 35
56 - 55 = 1
55 - 1.5 = 53.5
55 - 12= 43
18.
28 minus 27 is 1.
3x squared minus 25x minus 28
64 minus 28 is 36.
45 - 100 = -55
55 + 28 = 83