Răspuns :
a=2b
----------------------
7ax2=14b
14b+3b=17b
17b=85
85:17=5
a=2b
b=5
a=10
Spor la teme!
----------------------
7ax2=14b
14b+3b=17b
17b=85
85:17=5
a=2b
b=5
a=10
Spor la teme!