Question

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

Answer 1

We have two equations and two unknowns, so we can solve this system! Both equations tell you what y equals, so we can actually set them equal to each other. In other words:

-3x + 1 = -x + 5

Now let's gather the x's on the left and the constants on the right:

-2x = 4

Now we can easily find x by dividing both sides by -2:

x = -2

We have x, so we can just plug this number into either of our original equations to find y. I'll use the first one:

y = -3(-2) + 1 = 7

So for this system of equations, x = -2 and y = 7