347-(2х-258)=347-2х+258=605-2х
537+(3х-437)=537+3х-437=100+3х
432-(4х-268)=432-4х+268=700-4х
2175-(х-75)=2175-х+75=2250-х
65-(х+37)=65-х-37=28-х
(х+43)+18=х+43+18=х+61
89-(х-25)=89-х+25=114-х
95-(5-х)=95-5+х=90+х
178-(х+66)=178-х-66=112-х
35-х+55=90-х
112-(48+х)=112-48-х=64-х
х+(56+14)=х+70
35-(17+х)=35-17-х=18-х
654+х+346=1000+х
х-4000-13000=х-17000
у-256-348=у-604
506-h-48=458-h
350+m-48=302+m
547+(7х+153)=547+7х+153=700+7х