(m+4)+13=34
m+4+13=34
m=34-13-4
m=17
(k+19)-35=70
k+19-35=70
k=70-19+35
k=86
305-(t+6)=125
305-t-6=125
-t=125-305+6
-t= -174
t=174
(m+4)+13=34
m+4+13=34
m=34-13-4
m=17
(k+19)-35=70
k+19-35=70
k=70-19+35
k=86
305-(t+6)=125
305-t-6=125
-t=125-305+6
-t= -174
t=174