jamieaudreykim
jamieaudreykim jamieaudreykim
  • 03-06-2020
  • Mathematics
contestada

3r-30=6+7r
solve for r

Respuesta :

anikakinnear
anikakinnear anikakinnear
  • 03-06-2020

Answer:

r = -9

Step-by-step explanation:

First we want to ge the rs in the same place:

[tex]3r-7r=6+30[/tex]

[tex]-4r = 36[/tex]

[tex]r=-9[/tex]

Answer Link
ZJSG09112007
ZJSG09112007 ZJSG09112007
  • 03-06-2020

Answer:

r= -9

Step-by-step explanation:

[tex]3r-30=6+7r\\Collect like terms\\3r-7r= 6+30\\-4r = 36\\Divide both sides by -4\\r = -9[/tex]

Answer Link

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