а)14x-(8x+3x)=1512,
14х-11х=1512,
3х=1512,
х=1512/3,
х=504,
б) 11y-(5y-3y)=8136,
11у-2у=8136,
9у=8136,
у=8136/9,
у=904
3х=1512
Х=504
ответ: 504
2. 11у-5у+3у=8136
8у=8136
У=1017
ответ : 1017
а)14x-(8x+3x)=1512,
14х-11х=1512,
3х=1512,
х=1512/3,
х=504,
б) 11y-(5y-3y)=8136,
11у-2у=8136,
9у=8136,
у=8136/9,
у=904