Math Challenge

Question

If
a+b=2
b+c=13
c+3d=37
3d+4e=-23
8e+9a=-43
then what is a,b,c,d, and e?

Answer 1

a = 5
b = -3
c = 16
d = 7
e = -11
Matrixes rules xD

Answer 2

Algebra was never my strong point...

Answer 3

Haha