решение:
1.
5х-3х+4=22
2х=18
х=9
2.
(у-12):8=16
у-12=16*8
у=128+12
у=140
3.
195-(11+435:15)*4=195-(11+29)*4=195-40*4=195-160=35
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решение:
1.
5х-3х+4=22
2х=18
х=9
2.
(у-12):8=16
у-12=16*8
у=128+12
у=140
3.
195-(11+435:15)*4=195-(11+29)*4=195-40*4=195-160=35