Answer:
D
Step-by-step explanation:
when a number is added at the end it results in a vertical transformation
Step-by-step explanation:
3x+5x
8x
3x and 5x are same term because they have same bases so they can be added as above .
Step-by-step explanation:
-3x + 6y = -27 |-1×|
3x - 6y = 27 |1×|
3x - 6y = 27
3x - 6y = 27
Two equations are similar.
X,Y element R
Answer:
Find the smallest multiple the denominators have in common
30
Expand each fraction so that the denominators are 30

Add or subtract the numerators and keep the same denominator

Simplify

If you do 1800 divided by 300, the answer is 6 hours.