I NEED HELP PLEASE!!



1) Solve, using the substitution method.




d + e = 2

d – e = 4



AThe solution is (3, –1).


BThere are an infinite number of solutions.

CThere is no solution.

DThe solution is (5, 1).


2) Solve, using the substitution method.




4x + 2y = 11


x – 2 = –2y


A(3, -1/2)
B(0, - 2)
C(0, -11/2)
D(7, -5/2)