53+(-27)+47= -63+(-48)+93= -41+68+(-17)= 84+(-26)+(-74)=

53+(-27)+47 = 53-27+47 = 53+20 = 73
-63 + (-48)+93 = -63-48+93 = -111+93 = -18
-41+68+(-17) = -41+68-17 = -41 +51 = 10
84+(-26)+(-74) = 84-26-74 = 84-100 = -16

53+(-27)+47
= 53-27+47
= 26+47
= 73

-63 + (-48)+93
= -63-48+93
= -63+45
= -18

-41+68+(-17)
= -41+68-17
= 27-17
= 10

84+(-26)+(-74)
= 84-26-74
= 58-74
= -16