2,002*(4,7y-20,8)+7,6=30,03

9,4094у-41,6416+7,6=30,03

9,4094у=30,03+41,6416-7,6

9,4094у=64,0716

у=64,0716/9,4094

у=6,80931834123

2,002*(4,7y-20,8)+7,6=30,03

9,4094у-41,6416+7,6=30,03

9,4094у=64,0716

у=64,0716/9,4094

у=6,81