Answer:
x = 12
Step-by-step explanation:
Supplementary angles, sum = 180
10x - 20 + 6x + 8 = 180
16x - 12 = 180
16x = 192
x = 12
Answer:
its b
Step-by-step explanation:
Answer:
I think the answer is A but I am not for sure
Step-by-step explanation:
Answer:
Yes, x=3
Step-by-step explanation:
Step 1. Subtract 2x from each side
5x=2x+9
-2x -2x
Step 2. Divide both sides by 3
3x/3=9/3
x = 3