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Mathematics 23 Online
OpenStudy (anonymous):

Solve the following system using the substitution method. x + 6y = –5 2x – 9y = –17

OpenStudy (anonymous):

(-6y-5) - 9y = -17 ---> -15y = -12 ---> y = 12/15

OpenStudy (anonymous):

\[2(-5-6y)-9y=-17\]\[-10-12y-9y=-17\]\[-21y=-7\]\[y=1/3\]

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