👤
Robertotkd
a fost răspuns

100×(25-5×(x-3)+2)÷4=300

Răspuns :

CarMina03
100×(25-5×(x-3)+2)÷4=300
100×(25-5×(x-3)+2)=300x4
100×(25-5×(x-3)+2)=1200
(25-5×(x-3)+2)=1200:100

25-5×(x-3)+2=12
5×(x-3)=25-12+2

5×(x-3)=13+2

5×(x-3)=15


x-3=15:5

x-3=3

x=3+3

x=6

Alte intrebari