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what expression is equivalent to 2x+9-x+3? show your answer is correct by substituting a value for x.
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what expression is equivalent to 2x+9-x+3? show your answer is correct by substituting a value for x.

User Greg Schmidt
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7.1k points

1 Answer

3 votes
Collect like terms
(2x-x) + (9+3)

Simplify
x+12
User Fastnlight
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