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Mathematics 15 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

thanks anyone who helps I greaty appricite it

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