Solve by Substitution 2x-y=-2 , -2x+y-2=0

Math
,
Move all terms not containing to the right side of the equation.
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Add to both sides of the equation.
Add to both sides of the equation.
Replace all occurrences of in with .
Simplify .
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Simplify each term.
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Apply the distributive property.
Multiply by .
Multiply by .
Simplify by adding terms.
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Subtract from .
Subtract from .
Since , the equation will always be true.
Always true
Remove any equations from the system that are always true.
Solve by Substitution 2x-y=-2 , -2x+y-2=0

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