Răspunsuri

2014-03-08T16:59:36+02:00
Gaini=x       x=4y
rate=y
4y+y=35
5y=35
y=7(rate)
x=35-7=28(gaini)

y=x:4
x/4+x=35
x/4+(amplificam pe x cu 4)=35
x/4+4x/4=35
5x/4=35
5x=35x4
5x=140
x=28(gaini)
y=35-28=7(rate)
1 5 1