Решите уравнение 2,3y+31+2,5y=67

Question

Решите уравнение 2,3y+31+2,5y=67

Answer 1

2,3у+31+2,5у=67
2,3у+2,5у=67-31
4,8у=36
у=7,5
_______________________
2,3*7,5+31+2,5*7,5=67
67=67

Answer 2

2,3y+2,5y=67-31
4,8y=36
y=7,5

Comments

у=7.66