-2(-x-1)-(x+9)
= -2x + 2 - x - 9
Rearrange
= -2x - x + 2 - 9
= -3x - 7
Answer:
(-1.215,0) (0.549,0)
hope this helps
3 + 2 = 4 + 1 is true
1 +2 = 3 + 3 and 0 + 3 = 3+1 is not true
