(x+5)*5=60
=) x + 5 = 60 / 5
=) x + 5 = 12
=) x = 12 - 5
=) x = 7
(x+5)*5=60
x+5 = 60:5
x+5 = 12
x = 12-5
x = 7
ủng hộ nhé
cho X x5 là y
Y x 5 =60
Y=60:5 =12
X+5=12
X=12-5=7
X =7
(x+5) x 5= 60 (x+5) = 60:5 x+5 = 12 x = 12-5 x = 7 Vậy x=7
x+5 = 60:5
x+5 =12
x=12-5
x=7
dung thimk cho mik nhe