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August 22, 2014

August 22, 2014

Posted by **Gaby** on Wednesday, January 6, 2010 at 5:52pm.

5x-2y=11

Please help me solve this system of equations!! I keep getting no solution and i do not know what I am doing wrong.

- Math -
**Doublen**, Wednesday, January 6, 2010 at 6:17pmIf you don't even know what one of the variables are, you can't solve the equasion. There IS no solution.

- Math -
**Veronica**, Wednesday, January 6, 2010 at 6:18pmFirst you multiply the first equation by 5 and the second equation by -2.

You get:

10x+25 = 80

-10x+4y = -22

You cancel out the 10x. Therefore you add the two equations and you get

29y=58

y=2

You plug in 2 for y in any one of the original equations and you get:

x= 3

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