Răspuns :
1)A=(95-85) : 2
A=10: 2
A=5
B=A+85
B=5+85
B=90
2) A=(210-30): 3
A=180: 3
A=60
B=2*A +30
B=2*60+30
B=120+30
B=150
A=10: 2
A=5
B=A+85
B=5+85
B=90
2) A=(210-30): 3
A=180: 3
A=60
B=2*A +30
B=2*60+30
B=120+30
B=150