👤

afla necu noscuta x di exercitiul
(x+350:5)*4+6)*2=612


Răspuns :

[(x+70)*4+6]*2=612 =>(x+70)*4+6=612:2 => (x+70)*4+6=306 =>(x+70)*4=306-6 => (x+70)*4=300 =>
x+70=300:4 => x+70=75 =>x=75-70 =>x=5