Question

Solve the system of linear equations below.

x + y = 4
2x + 3y = 0

Answer 1

Do you know any ways in solving linear equations?

Answer 2

x + y = 4 ---> y = 4 - x
Put y into second eq
2x + 3y = 0
to obtain x.
2x + 3(4-x)=0 --> x=12

Using eq 1 for y, we have
12+y=4 --> y=-8