Răspuns :
/=impartire
*=inmultire
22-5*(38-4*g)=12
5*(38-4*g)=22-12
5*(38-4*g)=10
(38-4*g)=10/5
38-4*g=2
4*g=38-2
4*g=36
g=36/4
g=9
4*9=36
*=inmultire
22-5*(38-4*g)=12
5*(38-4*g)=22-12
5*(38-4*g)=10
(38-4*g)=10/5
38-4*g=2
4*g=38-2
4*g=36
g=36/4
g=9
4*9=36
22 - 5 *(38 - 4*g) = 12
-5*(38 - 4*g) = 12 - 22
38 - 4*g = [tex] \frac{-10}{-5} [/tex]
-4*g = 2 - 38
g = [tex] \frac{-36}{-4} [/tex]
g = 9
-5*(38 - 4*g) = 12 - 22
38 - 4*g = [tex] \frac{-10}{-5} [/tex]
-4*g = 2 - 38
g = [tex] \frac{-36}{-4} [/tex]
g = 9