Răspuns :
a=a
b=a+1
a+a+1=175
2a+1=175
2a=174
a=174:2
a=87
b=87+1
b=88
VERIFICARE
87+88=175
b=a+1
a+a+1=175
2a+1=175
2a=174
a=174:2
a=87
b=87+1
b=88
VERIFICARE
87+88=175
[tex]x+x+1=175 \\ \\ 2x+1=175 \\ \\ 2x=175-1 \\ \\ 2x=174 \\ \\ \boxed{x=\frac{174}{2}=87} \\\\ x+1=87+1=\boxed{88}[/tex]