The answer should be 15-(50÷10)
16÷4/5 is 0.8
Step-by-step explanation:
i did it in a computer
using angle sum property
we get
110+35+(x+12)=180
(x+12)=180-145
(x+12)= 35
x= 35-12
x= 23
The answer is c, b/c...20+(4/3)x=2x
-(4/3)x -(4/3)x
20=(2/3)x
20/(2/3)=(2/3)x/(2/3)
A: 30=x