Homework Help: math

Posted by Shirley on Sunday, February 5, 2012 at 7:19pm.

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.

-3x – 5y = 61

7x – 5y = -9

math - PsyDAG, Monday, February 6, 2012 at 10:18am
Subtract the second equation from the first.

-10x = 70

x = 70/-10 = -7

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