X=27 I think this is correct
Simplifyiing
the greatest common factor is 3 so
3x - 9y + 12 = 3(x - 3y + 4)
Answer:
-7000,-6000,-5000,-4000,-3000,-2000,-1000,0, 1000,2000,3000,4000,5000,6000,7000
In scientific notation, in would be 6.3825*10 to the 4th power
