Respuesta :

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