SOLUTION: solve by substitution
x + 3y = 2
-x + y = 1
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Question 206601: solve by substitution
x + 3y = 2
-x + y = 1
Answer by Marth(57) (Show Source): You can put this solution on YOUR website!
You can choose to eliminate either x or y by substitution; x is easier. Put the second equation in the form x=
Now replace x in the first equation with
Use that value of y in one of the equations to find x.
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