Răspuns :
2(x-3)=216⇒ x-3=216/2⇒ x-3=108⇒x=108+3⇒ x=111
5-3x=x+1⇒ 5=x+1+3x⇒5=4x+1⇒5-1=4x⇒4=4x⇒x=4/4⇒x=1
280/x=155-85⇒280/x=70⇒x=280/70⇒x=4
2(x-3)=216 5-3x=x+1 280/x=155-85
2x-6=216 5-1=x+3x 280/x=70
2x=222 4=4x x=280/70
x=222/2 x=1 x=4
x=111
Sper sa te ajute
2x-6=216 5-1=x+3x 280/x=70
2x=222 4=4x x=280/70
x=222/2 x=1 x=4
x=111
Sper sa te ajute