Solve by Substitution y=2-x , 3x+3y=6

Math
,
Reorder and .
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 .
Add and .
Since , the equation will always be true.
Always true
Remove any equations from the system that are always true.
Solve by Substitution y=2-x , 3x+3y=6

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