Answer: 8. (-2, 1) 9. (-1, 7)
Step-by-step explanation: 8. Solve for the first variable in one of the equations, then substitute the result into the other equation. 
Point Form: 
(-2, 1) 
Equation Form: 
 
x=-2,y=1
 9. Solve for the first variable in one of the equations, then substitute the result into the other equation. 
Point Form: 
 
(-1,7) 
Equation Form: 
 
x=-1,y=7