melgiardina201p6mtr9 melgiardina201p6mtr9
  • 04-04-2018
  • Mathematics
contestada

how is subtracting -4x from 9x similar to subtracting -4 from 9

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accom accom
  • 04-04-2018
It is similar because since -4x and 9x are like terms, you basically ignore the variable and subtract the values instead. 
Hope I helped!
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