Answer:

Step-by-step explanation:
Given
The attached figure
Required
Solve for x
3x and 45 are supplementary angles
So:



Solve for x


Your answer is X=22
Step-by-step
5X - 31= 79
5x= 79+31
X=110/5
So x=22 same as on
Answer:
C, D, E
Step-by-step explanation:
Answer:
Step-by-step explanation:
x+2y=3
3x-2y=5
eliminate y
4x=8
x=2
Substitute 4 x in equation 1
2+2y=3
y=1/2