4a2 +a+6 I think idk I might be wrong
Answer:
3
Step-by-step explanation:
15v-55=-10
15v=45/÷15
v=3
Answer:
neko...
Step-by-step explanation:
Answer:

Step-by-step explanation:
We can factor out a 1 from -3 to get
.
We know from simple arithmetic that
.
So, our answer is 
Answer:
opt 4
Step-by-step explanation:
when x=0, 0+3y= -3, so y=-1 (0,-1) is solution
when x=3 , 21+3y=-3, 3y= -3-21= -24
y= -8 (3,-8) is also solution