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Posted by stella on Monday, May 23, 2011 at 2:54pm.

Solve the system of equations: what is the y-value in the solution? 3x - 5y = -16 and 2x + 5y = 31

add them: 5x = 15 x = 3 sub into 2x+5y=31 6 + 5y = 31 5y = 25 y = 5

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