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Fox375
Group Title
If you were to use the substitution method to solve the following system, choose the new system of equations that would result if x was isolated in the first equation.
x + 6y + z = 2
x – 3y + 2z = –1
x + 5y + 3z = –4
11y + 4z = 6
2y + 5z = 3
y – 2z = 6
–8y – z = 3
3y + 3z = –3
11y + 4z = –6
–9y + z = –3
–y + 2z = –6
 one year ago
 one year ago
Fox375 Group Title
If you were to use the substitution method to solve the following system, choose the new system of equations that would result if x was isolated in the first equation. x + 6y + z = 2 x – 3y + 2z = –1 x + 5y + 3z = –4 11y + 4z = 6 2y + 5z = 3 y – 2z = 6 –8y – z = 3 3y + 3z = –3 11y + 4z = –6 –9y + z = –3 –y + 2z = –6
 one year ago
 one year ago

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amistre64 Group TitleBest ResponseYou've already chosen the best response.0
what do you get when you isolate for x in the first equation?
 one year ago

Fox375 Group TitleBest ResponseYou've already chosen the best response.0
6y  z + 2
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.0
good lets replace x in the next equation by that x – 3y + 2z = –1 6y  z + 2 – 3y + 2z = –1 when you collect like terms, i see only one answer that has this result
 one year ago
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