rayford
2x+y=6
4x+2y=4
solve using the elimination method



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Romero
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2(2x+y)=2(6)
4x+2y=12
add them
4x+2y=4
4x+4x+2y+2y=16
4y=16

Guinness
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elimination mean's solve for one variable. this can be done by simple subtraction of on equation from the other.

Romero
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divide both sides by 4 and you got your y.
Use that y and plug it in into any equation and then solve for x

rayford
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thank youits! 1,4!

rayford
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may you answer another?

Romero
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good job mate!

Romero
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Yeah just post it in another question

rayford
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x+2y=10
xy=4
use substituion