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luda_lava [24]
3 years ago
9

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

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
6 0

Answer:

1. -3

2. 8

Step-by-step explanation:


Fittoniya [83]3 years ago
4 0
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
<u>-2x+2y=-24 +</u>
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
<u /><u>-y-4x=4 +</u>
-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<u>
</u>
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x = ?
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x + 19 = 13
x = -6
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