Please look at the attached image

Answer:
m∠6= 117º
m∠7=63º
Step-by-step explanation:
m∠6 + m∠3 = 180º (same side interior angles are supplementary)
m∠6+63 = 180º (substitution)
m∠6 = 117º (algebra)
m∠7 = m∠3 (corresponding angles are congruent)
m∠7 = 63º