Step-by-step explanation:
Since opposite angles of a parallelogram are congruent, we have:
[tex]a=2b+17/5[/tex]
Also, since adjacent angles of a parallelogram are supplementary, we have:
[tex]7a+26b=176\[/tex]
Substituting into the above equation, we get:
[tex]b=3.805, a=11.01[/tex]