how do you do elimination,substitution,and graphing

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02-02-2017
Mathematics

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how do you do elimination,substitution,and graphing

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K15Marie K15Marie · Answer 1 · 2017-02-02T02:44:47+01:00

K15Marie K15Marie

02-02-2017

Elimination is something like this:

y= 3x + 20
y=-3x + 4

=================
y= (take away the x's because you are adding both equations basically) 24

substitution:

y=25
50=25+ y

this might be a bad equation example but you take the y from the top equation and substitute it making the 2nd equation now:

50=25 + (25)
50=50
then you do the problem from there

graphing..... I can't help with that, sorry! But I hoped I helped!

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