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  • 03-01-2017
  • Mathematics
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-r + 6 +8r -14
Simplify the expressions by combining like terms?

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AL2006
AL2006 AL2006
  • 03-01-2017

                                 -r  +  6  +  8r  -  14

Add up all the 'r's:    -r + 8r  =  7r

Add up all of the
just-plain-numbers:      + 6 - 14  =   - 8

The whole messy complicated expression is the same as        7r - 8      .
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