440. упростите выражения
46+А+24+А
25*9*b*4
96*7+4*7
57+b+43+b
89*6-9*6
72*5+28*5

441. решите уровнения
6m+m-35=21
17n+14n-145=134
5n+9n+32=200
(x+57) : 7=12
(161-у): 16=9
112?(17+х)=4

440.46+A+24+A=70+2A=2×(35+A25×9×b×4=900b97×7+4×7=769+28=79757+b+43+b=100+2b=2×(50+b)89×6-9×6=534-54=48072×5+28×5=360+140=500441.6m+m-35=217m=56m=817n+14n-145=13431n=279n=95n+9n+32=20014n=168n=12(x+57):7=12x+57=12×7x=84-57x=27(161-y):16=9161-y=9×16-y=144-161-y=-17y=17