Răspuns :
(x+20):12+ 68 =78
(x+20):12=78-68
(x+20):12=10
x+20=10×12
x+20=120
x=120-20
x=100
sper ca te-am ajutat
(x+20):12=78-68
(x+20):12=10
x+20=10×12
x+20=120
x=120-20
x=100
sper ca te-am ajutat
(x+20)impartit 12+68=78 rezolvarea problemei (x+20)imparti 12=78-68=10 x+20=12x10 x+20=120 x=120 -20= 100