Răspuns :
din x-y=52, notam x=y+52
(x+y)-(x-y)=44
x+y-52=44
x+y=96
52+y+y=96
2y=96-52
y=44:2=22
x=52+22=74
(x+y)-(x-y)=44
x+y-52=44
x+y=96
52+y+y=96
2y=96-52
y=44:2=22
x=52+22=74
a-b=52
a+b-52=44
a+b=52+44
a+b=96
a=b+52
b+52+b=96
2b+52=96
2b=96-52
2b=44
b=44:2
b=22
a=22+52
a=74
SPER CA TE-AM AJUTAT!:*
a+b-52=44
a+b=52+44
a+b=96
a=b+52
b+52+b=96
2b+52=96
2b=96-52
2b=44
b=44:2
b=22
a=22+52
a=74
SPER CA TE-AM AJUTAT!:*