1) what is the y-coordinate of the solution to the system of equations?

x-y=12

27+3y=2x

2) what is the y-coordinate of the solution to the system of equations?

y=2x+14

-4x-y=4

Ok so basically solve for y

x-y=12

27+3y=2x

27+3y=2x

subtract 3y from both sides

27=2x-3y

2x-3y=27

x-y=12

multiply by - 2

-2x+2y=-24

add them

2x-3y=27

-2x+2y=-24 +

0x-1y=3

-y=3

y=-3

y coordinate is - 3

2.

y=2x+14

-4x-y=4

y=2x+14

subtract 2x from both sides

y-2x=14

mulitply both sides by - 2

-2y+4x=-28

add the 2 equations

-2y+4x=-28

-y-4x=4 +

-3y+0x=-24

-3y=-24

divide both sides by - 3

y=8

y coordinate is 8

1. y coordinate is y=-3

2. y coordinate is y=8