I have this problem: y=1x and y=.5x+4
I got (2,4) and was wondering if you guys can show me the steps for both elimination and substitution. Also how would I graph this? just put one dot on the graph?
Certainly. We have
Substitution:
Substituting into the second equation produces
and solving for gives
Back-substituting, we get
Elimination:
Let's first rearrange the equations a little,
Subtract the first equation from the second,
and subtract the second equation from the first: