SOLUTION: how to solve using substitution method x+y=2 x-y=-2

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Question 795385: how to solve using substitution method
x+y=2
x-y=-2

Found 2 solutions by wilft1, Alan3354:
Answer by wilft1(217)   (Show Source): You can put this solution on YOUR website!
cant really solve this using substitution, you can solve it using the subtraction/addition method...
x + y = 2
x - y = -2
add the lines together to get...
x = 0
plug that number into the original equation to find the value of y
0 + y = 2
0 - y = -2
y = 2
leave your answer in ordered pair (0,2)

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
how to solve using substitution method
x+y=2
x-y=-2 --> y = x+2
---
x+y = 2
Sub for y
x + x+2 = 2
2x = 0
x = 0
y = 2

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