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Mathematics 12 Online
OpenStudy (anonymous):

Solve the system of equations and choose the correct answer from the list of options. x − y = 7 y = 3x + 12 A. 2/19, 2/33 B. -2/19, -33/2 C. -19/2, -33/2 D. 19/2, 33/2

pooja195 (pooja195):

use substitution

pooja195 (pooja195):

\[x − (3x + 12) = 7 \]

pooja195 (pooja195):

solve that

OpenStudy (anonymous):

okae thank you @pooja195

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