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Mathematics 20 Online
OpenStudy (anonymous):

5x + 2y = 5 3x - y = 14 Which of the following equations is not a result of solving the system of equations by addition? a.11x = 19 b.11y = -55 c.11x = 33

OpenStudy (saifoo.khan):

3, -5

OpenStudy (saifoo.khan):

a.

OpenStudy (anonymous):

Saifoo, wolframalpha won't solve this one for you. :P

OpenStudy (anonymous):

saifoo:) im so glad your on right now

OpenStudy (saifoo.khan):

a.11x = 19 \[11(3) \neq = 19\]

OpenStudy (anonymous):

mlhuyck: if a similar question appeared on your test, would you know how to solve it? I can explain it if need be.

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