Question

gaseste valoarea lui a: (18+41*2)+500:a-25*2=150

Answer 1

(18+41*2)+500:a-25*2=150100+500:a-50=150
500:a=150+50-100
500:a=100
a=500:100
a=5 (Poti sa faci si proba)

Answer 2

[18+82]+500/a-50=150
⇒100+500/a-50=150
⇒100+500/a=150+50
⇒100+500/a=200
⇒500/a=200-100
⇒500/a=100
⇒a=500/100
⇒a=5;