Answer:
and
.
Step-by-step explanation:
We have been given a system of equations. We are asked to solve our given system.


From equation (1), we will get:

Upon substituting this value in equation (2), we will get:





Now, we will substitute
in equation (1).



Therefore, the point
is solution for our given equation.
The answer is 72°
18 x 2 = 36°
180 - 36 = 144°
144 / 2 = 72°
Answer:
x = -1/2
Step-by-step explanation:
4x - 6 = 10x - 3
+6 +6
4x = 10x + 3
-10x -10x
-6x = 3
/-6 /-6
x = -1/2