Question

Решите уравнения: 6,2y+2,9-3,4=8,5

Answer 1

$6.2y+2.9-3.4y=8.5$

$6.2y-3.4y=8.5-2.9$

$2.8y=5.6$

$y=5.6:2.8$

$y=2$