Question

Solve each system of equations.
-

1.
x+y=2
-3x - y = 5

Answer 1

Explanation:

The first equation rearranges to y = 2-x.

The second rearranges to y=-3x-5.

So 2-x = -3x-5

2+2x=-5

2x=-7

x= - 7/2, meaning y=11/2.