(y+1)*18=36+12*(y+1)
Помогите решить!
18у+18=36+12у+12
18-12у=36+12-18
6у=30
у=30:6
у=5
Ответ:5
18у-12у=36+12-18
проверка:
(5+1)*18=36+12*(5+1)
6*18=36+12*6
108=108
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(y+1)*18=36+12*(y+1)
18у+18=36+12у+12
18-12у=36+12-18
6у=30
у=30:6
у=5
Ответ:5
18у+18=36+12у+12
18у-12у=36+12-18
6у=30
у=30:6
у=5
проверка:
(5+1)*18=36+12*(5+1)
6*18=36+12*6
108=108