2.3y+31+2.5=67 решите уровнение

2.3у=67-31-2.5
2.3у=33.5
у=33.5:2.3
у=15

[tex]2.3y+31+2.5=67 \\ 2.3y+33.5=67\\2.3y=67-33.5\\2.3y=33.5\\y= \frac{33.5}{2.3} \\\\y= \frac{335}{23} =14 \frac{13}{23} [/tex]