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 !

29x-15x+16=100
14x=100-16=84
x=84/14
x= 6

11y+32y-127=45
43y=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