Answer:
A
Step-by-step explanation:
9 , -9, -15, -21
6-3x-1=-9
6-3x1=9
6-3x3=-15
6-3x5=-21
Answer: 2
Step-by-step explanation: 1/2 x 4 = 4/2 = 2/1 = 2.
collect the like terms 12x+4=9x+8
12x-9x=8-4
3x=4
X=1.333