(-25)+(-75)-(-32)+(+75)
=[(-25)+(-32)]-[(-75)+(+75)]
=(-57)-0
=-57
( -25 ) + ( -75 ) - ( -32 ) + ( +75 )
= ( -25 ) + ( - 75 ) + 32 + 75
= [ ( -25 ) + 32 ] + [ ( -75 ) + 75 ]
= 7 + 0
= 7
( -25 ) + ( -75 ) - ( -32 ) + ( +75 )
= ( -25 ) + ( - 75 ) + 32 + 75
= [ ( -25 ) + 32 ] + [ ( -75 ) + 75 ]
= 7 + 0
= 7