Deci...sa vedem...
x+75=y+40
x+y=195
75-40=y-x
y-x=35
=>y=x+35
=>x+x+35=195
2x=195-35
2x=140 |:2
x=70
y=195-x
y=195-70
y=125
cred ca e bine
Deci...sa vedem...
x+75=y+40
x+y=195
75-40=y-x
y-x=35
=>y=x+35
=>x+x+35=195
2x=195-35
2x=140 |:2
x=70
y=195-x
y=195-70
y=125
cred ca e bine