6 - a = 1/3(9a - 18)
6 - a = 3a - 6
-a - 3a = -6 - 6
-4a = -12
a = -12/-4
a = 3..........one solution
Answer:
SEE EXPLANATION
Step-by-step explanation:
Add all amount of teachers together
14+26 = 40
14:40
Simplified: 7/20 or 7:20
Ratios are just like fractions and can usually be put in this format
These are alternate exterior angles
they alternate (or cross) the traversal (the center line)
and they are exterior (they are both outside)
and they are equal
100 = x + 105 subtract 105 from both sides
-105 -105
-5 = x
x = -5