The last one!!! (sorry I can't do recurring signs on my phone!) hope this helps :)
Answer:
−
20
−
24
x
Step-by-step explanation:
simplify
since all sides are equal, which means all angles must also be equal to one another
all angles =60°
solving 7x-3=60
7x=63
x=9
similarly 11 y+5=60
11y=55
y=5












<h3>Therefore, correct option is C. option.</h3><h3>C. x=29/8c</h3>