8r+r+-14=21

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Solution for 8r+r+-14=21 equation: 



8r+r+-14=21

We move all terms to the left:

8r+r+-14-(21)=0

determiningTheFunctionDomain
8r+r-14-21+=0

We add all the numbers together, and all the variables

9r=0

r=0/9

r=0

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