17×х+18×х=700 41×у-17×у=48039×х+33×х=432 82×z-57×z=575

Question

17×х+18×х=700 41×у-17×у=480
39×х+33×х=432 82×z-57×z=575

Answer 1

17x+18x=700
35x=700
x=20
41y-17y=480
24y=480
y=20
39x+33x=432
72x=432
x=6
82z-57z=575
25z=575
z=23