Answer:
Step-by-step explanation:
A(a) b(a)
-4(7 + 3a) - 6a(4a - 5) = <em><u>−24</u></em><em><u>+18a−28</u></em>
the value of x is 40 degree and the value of (2x+11) is 91 degree.
hope it helps you.