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Use substitution to solve the system of equations. 2x+y=4 -2x+y=-4
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Use substitution to solve the system of equations.
2x+y=4
-2x+y=-4

User Mike Gold
by
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1 Answer

3 votes

Answer:

Explanation:

1*2x+y=4

-1*2x+y=-4

-2x=-y-4

2x=y+4

x=y+4/2

User Ifeomaro
by
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