You don't have to do every question but someone do 1 and someone else do 2 and it continues
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Hey there, Xs4etsmith!
The correct answer would be the second option.
To solve for this system of equation, we need to make both equations equal to each other but first we need to make each equation equal to 0.
So,
goes to 
(I subtracted 
from both sides)
And
goes to 
(I subtracted 
from both sides)
Now we can make them equal to each other.
(I subtracted y from both sides to cancel it)
(I subtracted x from both sides)
(I added 3z to both sides to isolate x)
Now, we replace the value of
for and solve
(Distribute)
(Add to both sides)
So
is equal to 
Let's try the second equation
(Add to both sides)
The value of would be 
and when solving both equations, we get the same value for which is
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The correct answer would be the second option.
To solve for this system of equation, we need to make both equations equal to each other but first we need to make each equation equal to 0.
So,
And
Now we can make them equal to each other.
Now, we replace the value of
So
Let's try the second equation
The value of
Thank you for using Brainly.
See you soon!