Please help please please ASAP please please help please ASAP ASAP please ASAP help please please ASAP please please help please please ASAP please please help anyone please I’m begging you please

Answer:
Step-by-step explanation:
2(63+4x+3)=276
4x+66=138
4x=72
x=18
AD=BC
AD=4x+3, using x=18 found earlier
AD=4(18)+3
AD=72+3
AD=75