Answer:12
Step-by-step explanation:
m<bcd=90
m<bce+m<dce=m<bcd
4x+10+2x+8=90
-10 -8 -18
4x+2x=72
6x=72
6x/6=72/6
x=12
Answer:
62 I just took the quiz, and I got 62 correct