Asked by Brenda

I am trying to solve using the elimanation x+y=10 and 3x-y=6
Answered by Amy
x + y = 10
+ 3x - y = 6
-----------------
4x = 16
x = 4
so, plug 4 back into the x+y equation and you get y=6. You are using elimination by adding the +y and the -y.
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