Răspuns :
Răspuns:
Bună
Explicație pas cu pas:
[(5x+150):2+200]:2-250=50
[(5x+150):3+200]:2=50+250=300
(5x+150):3+200=300•2=600
(5x+150):3=600-200=400
5x+150=400•3=1200
5x=1200-150=1050
5x=1050=> x=1050:5; X=210
X=210
Coroana?
[(5x + 150):2+200]:2=300
(5x+150):2+200=600
(5x+150):2=400
5x+150=800
5x=650
X=130
(5x+150):2+200=600
(5x+150):2=400
5x+150=800
5x=650
X=130