Question

Solve the following system of equations by linear combination:

2d + e = 8
d – e = 4

Is the answer (4,0)?

Answer 1

A.
The solution is (5, –2).

B.
The solution is (4, 0).

C.
There is no solution.

D.
There are an infinite number of solutions.

Answer 2

I said B

Answer 3

you have the correct answer, nice work

Answer 4

Thanks!

Answer 5

you're welcome