Answer:
9
Step-by-step explanation:
Vertical lines are parallel so the given interior angles are supplementary and their sum is equal to 180:
4x + 9 + 16x - 9 = 180 add like terms
20x = 180 divide both sides by 20
<u>x = 9</u>
4.76 approximate because 25*1/5.25=4.76190476
Answer:
-3, 2
Step-by-step explanation:
Answer:
Yes.
Step-by-step explanation:
It is a fraction.
Answer: x = 28
Step-by-step explanation:
x + 20=3x-36
20=2x-36
56=2x
56/2=28
So 28= x