19+2p-2 69-(x+17)=2р-250-х-17=2р-х-267.
(6a+13)-3 7m-40-29=6а+13-37m-69=6а-37m-56.
10+x+294p+55+25=90+х+294р.
19+29-5c (8+y)-36=12-5с(8+у)=12-40с-5су.
c+3+51516-9d-7 =с-9d+51512.
(5z+44)-15x+16+19=5z+44-15х+35.
41-32c-7100+z-4=z-7063-32с.
50a+30+1011+x-8=50а+х+1033.
b-9-32(100+4n)-100= b-109-3200+128n=b+128n-3309.
135+5+5m=140+5m.