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  • 07-04-2018
  • Mathematics
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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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ekayla02877
ekayla02877 ekayla02877
  • 07-04-2018
Collect like terms
(2x-x) + (9+3)

Simplify
x+12
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