(135+n)-23=112+n
112+73=185
112+65=177
112+0=112
a-(b+12)=a-b-12
80-58-12=10
(135+n)-23=135-23+n=112+n a-(b+12)=a-b-12
n=73 112+73=185 a=80 b= 58 80-58-12=10
n=65 112+65=177
n=0 112=112
n=2 112+2=114
(135+n)-23=112+n
112+73=185
112+65=177
112+0=112
a-(b+12)=a-b-12
80-58-12=10
(135+n)-23=135-23+n=112+n a-(b+12)=a-b-12
n=73 112+73=185 a=80 b= 58 80-58-12=10
n=65 112+65=177
n=0 112=112
n=2 112+2=114