Answer:
118
Step-by-step explanation:
the length ED is equal to EC
so
the angle is also the same
that's mean the angle ECD is equal to 31
then to find the another angle just do like this
=180–31–31
=118
Answer:
x = -8
Step-by-step explanation:
To solve for any equation that has a variable you always want to get that variable on one side.
First add 9 on each side which should make the equation
3x = -24
Now all you have to do is divide on both sides to find x
x = -8