Looks like 10 and and a half if it's four it's 10 and a half if it 6 it's 12 and a half
Pretty sure ( -2,-7) because from -1 you go over one then each y is going down 3 so -4 - 3 is -7

We need to solve for x, we need to get x alone

Lets start by removing -5
Add 5 on both sides


Now to isolate x , we need to remove the square from x
To remove square , take square root on both sides

square and square root will get cancelled

So
and 
Answer:
9
Step-by-step explanation:
Since 12 divided by 4 is 3, that is the constant. So 3 times 3 is 9
Answer:
4x-7=x+2
3x=9
x=3
3-50=-47
Step-by-step explanation: