SOLUTION: can you solve this using substitution?
-2x+y=-11
4x+4y=4
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Question 1108612: can you solve this using substitution?
-2x+y=-11
4x+4y=4
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
can you solve this using substitution?
-2x+y=-11
4x+4y=4
-------------
Yes, I can.
Can you?
==============
-2x+y=-11
4x+4y=4 --> x+y = 1
----------------------------------
-2x+y=-11
x + y = 1
----------------
Solve for y in the 2nd eqn.
Sub for y in the 1st eqn.
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Or vice versa.
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