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Mathematics 15 Online
OpenStudy (anonymous):

For the following system, use the second equation to make a substitution for y in the first equation. 3x + y = 1 y + 4 = 5x What is the resulting equation? 3x+ 5x- 4 = 1 3x+ 4 - 5x= 1 3x+ 5x+ 4 = 1 @Zelda

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