Step-by-step explanation:
x = 1.21212121.....
100x = 121.21212121...
Therefore 99x = 120 and x = 120/99 = 40/33.
Answer:
16/15
Step-by-step explanation:
Answer:
A.3/7
Step-by-step explanation:
1/2 - 1/14
We need to get a common denominator of 14
1/2 * 7/7 = 7/14
7/14 - 1/14 = 6/14
We can simplify by dividing the top and bottom by 2
3/7
Answer:
-99
Step-by-step explanation:

Answer:
-5x - 6y + 8
Step-by-step explanation:
-2(x - 4) -3(x + 2y)
-2x + 8 - 3x - 6y
-5x - 6y + 8
Hope this helps!