Question

решите уравнение 14+4.8y+3.9y=87.95

Answer 1

4.8y+3.9y=87.95 - 14
8.7y= 73.95
y = 8.5

Answer 2

ой

Answer 3

14+4.8y+3.9y=87.95 4.8y+3.9y=87.95 - 14
8.7y= 73.95
y = 8.5

Answer 4

и что?