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anonymous
 4 years ago
If you were to use the elimination method to solve the following system, choose the new system of equations that would result after the variable z is eliminated in the first and second equations, then the second and third equations.
x + y – 3z = –8
2x + 2y + z = 12
3x + y – z = –2
Answers
A)7x + 7y = 28
3x + y = –2
B.)7x + 7y = 28
5x + 3y = 10
c.) x + y = –8
3x + y = –2
D.) x + y = –8
5x + 3y = 14
anonymous
 4 years ago
If you were to use the elimination method to solve the following system, choose the new system of equations that would result after the variable z is eliminated in the first and second equations, then the second and third equations. x + y – 3z = –8 2x + 2y + z = 12 3x + y – z = –2 Answers A)7x + 7y = 28 3x + y = –2 B.)7x + 7y = 28 5x + 3y = 10 c.) x + y = –8 3x + y = –2 D.) x + y = –8 5x + 3y = 14

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yay! thank you so much. Im in virtual school, and they dont teach the lessons very well and i need to pass and its real hard.
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