Posted by Gaby on Wednesday, January 6, 2010 at 5:52pm.
2x+5y=16
5x2y=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 6:17pm
If 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 6:18pm
First 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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