Question

Afla valoarea lui a din egalitatea:[( a+3)ori 7+48]:3=44

Answer 1

(a+3)*7+48=44*3
(a+3)*7=132-48
(a+3)*7=84
a+3=84:7
a+3=12 => a=12-3 => a=9

Answer 2

[(a+3)·7+48]:3=44⇒(a+3)·7+48=44·3.
(a+3)·7=132-48⇒a+3=84:7.
(a+3)=12⇒a=$\frac{12}{3}$
a=4.