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What is the solution to the system of linear equations y-x=4 and y+2x=1?
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What is the solution to the system of linear equations y-x=4 and y+2x=1?

User Christos Loupassakis
by
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1 Answer

3 votes
-x + y = 4
2x + y = 1
-3x = 3
-3 -3
x = -1
2x + y = 1
2(-1) + y = 1
-2 + y = 1
+ 2 + 2
y = 3
(x, y) = (-1,3)
User Abhishek Tomar
by
8.2k points
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