Question

Решите уравнение
2,25у+0,75у+0,27=39,27

Answer 1

3у+0,27=39,27
3у=39,27-0,27
3у=39
у=39/3
у=13

Answer 2

2.25у+0.75у+0.27=39.27
3у=37
У=13