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OpenStudy (anonymous):
In the below system, solve for y in the first equation. 3x + y = 9 4x – 3y = 6 A. –3x + 9 B. 3x – 9 C. 3x + 9 D. –3x – 9
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OpenStudy (anonymous):
use elimination or substitution
OpenStudy (unklerhaukus):
the first equation 3x + y = 9 to simplify, you want y=... get this by taking away 3x form both sides of the equation
OpenStudy (anonymous):
B.?
OpenStudy (primeralph):
@juliaann
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