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Mathematics 19 Online
OpenStudy (anonymous):

Help please I'll give you a medal?! =D

OpenStudy (anonymous):

Solve using two different methods. Explain which method you found to be more efficient. a. 3x – 9y = 3 b. 7x – 3y = 20 c. y = 1/2x - 6 6x – 3y = -24 5x + 3y = 16 2x + 6y = 19

OpenStudy (aripotta):

use elimination method for a and b, then use substitution for c

OpenStudy (anonymous):

can you do #1 to show me how to do elimination?

OpenStudy (aripotta):

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