5x-9,8=2,02 2y+y=80,1
5х-9,8=2,02
5х=2,02+9,8
5х=11,82
х=11,82:5
х=2,364
====================
2у=у=80,1
3у=80,1
у=80,1:3
у=26.7
5x = 2.02 + 9.8
5x = 11.82
x = 2.364
2y+y = 80.1
3y = 80.1
y = 26.7