2 câu trả lời
95−(y.5)=15+(y.3)
⇒95−5y=15+3y
⇒−3y−5y=15−95
⇒−8y=−80
⇒y=10
Vậy y=10
#thanhmaii2008
95 - (y x 5) = 15 + (y x 3)
95y - 475 = 15y + 45
95y - 15y = 475 - 45
(95 - 15)y = 430
80y = 430
y = 430 : 80
y = 5,375
95−(y.5)=15+(y.3)
⇒95−5y=15+3y
⇒−3y−5y=15−95
⇒−8y=−80
⇒y=10
Vậy y=10
#thanhmaii2008
95 - (y x 5) = 15 + (y x 3)
95y - 475 = 15y + 45
95y - 15y = 475 - 45
(95 - 15)y = 430
80y = 430
y = 430 : 80
y = 5,375