SOLUTION: 2x-4y=6
2x+y=1
my teacher said to solve this by using substitution but i keep getting the worng answer, help plz :)!
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Question 258777: 2x-4y=6
2x+y=1
my teacher said to solve this by using substitution but i keep getting the worng answer, help plz :)!
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
Since both have a "2x" term solve eq. 1 for 2x and substitute into eq. 2,
1.
.
.
.
2.
Then from above,
.
.
.
(x,y)=(1,-1)
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