29х-15х+16=100; 11у+32у-127=45; 15z+8z-59=102; 9t+4t-286=0; - вопрос №6214189291516100113212745158591029428601498827225 от lenalime 09.08.2020 08:24

Question

Математика: 29х-15х+16=100; 11у+32у-127=45; 15z+8z-59=102; 9t+4t-286=0; 14x+9x+88=272; 25x-16x+54=162. погогите много !

lenalime · Answer

29x-15x+16=10014x=100-16=84x=84/14x= 611y+32y-127=4543y=45+127=172 y= 172/43 y= 4 15z+8z-59=102 23z= 102+59 = 161 z= 161/23 z= 7 9t+4t-286=0 13t= 286 t= 286/13 t= 22 14x+9x+88= 272 23x = 272-88 = 184 x= 184/23 x= 8 25x-16x+54 = 162 9x= 162-54 = 108 x= 108/9 x = 12...