Question

Решите уровнение:
2,3y+31+2,5y=67

Answer 1

$2.3y+31+2.5y=67$
$2.3y+2.5y=67-31$
$4.8y=36$
$y=36:4.8$
$y=7.5$
ответ: 7.5

Answer 2

4,8у+31=67
4,8у=67-31
4,8у=36
у=36:4,8
у=7,5