Solve the system by the substitution method.
x+y=-12
y=-4x
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The solution set is {,}. (Type an ordered pair.)
B. There are infinitely many solutions. The solution set is
(Type an equation.)
C. There is no solution. The solution set is (O)/().
Solve the system by the substitution method.
K
x+y=-12 y=-4x
Select the correct choice below and, if necessary,fill in the answer box to complete your choice
A. The solution set is
. (Type an ordered pair.)
O B.There are infinitely many solutions. The solution set is {(x,y) I} (Type an equation.) O c.There is no solution.The solution set is