Systems of Equations, substitution (animation) by algebrafree.com, algebra help
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yea i learned somethhin.math110.dvc.mr.emanu
alzz -
oh thx. now i remember i'm doing this in math now but we learned it last year we are just revising and i can never quite tell! also we just call the 2 methods elimination and substution
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isn't this elimination because the "y" was eliminated first?
budgiebreder 3 years ago
It is elimination, elimination by substitution. There are two ways to do the "elimination" algebraically: by substitution or by addition. Because in this one a variable takes the place of another, it is called "elimination by substitution."
jerryllevada 3 years ago