325+(90-n)=5610
90-n=5610-325
90-n=5285
-n=5195
n=-5195
325+(90-n)=561090-n=5610-32590-n=5285-n=5195n=-5195
325+(90-n)=5610
90-n=5610-325
90-n=5285
-n=5195
n=-5195
325+(90-n)=5610
90-n=5610-325
90-n=5285
-n=5195
n=-5195