Question

Given the system of equations, what is the solution?

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

{(-4, -3)}
{(2, 1)}
{(-2, 3)}

Answer 1

y= x/3 + 1/3

x + 3(x/3 + 1/3)=5

2x+1=5

x=2

then just solve for y