14-(21+28r)-2r=-9+2-30r

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Solution for 14-(21+28r)-2r=-9+2-30r equation: 



14-(21+28r)-2r=-9+2-30r

We move all terms to the left:

14-(21+28r)-2r-(-9+2-30r)=0

We add all the numbers together, and all the variables

-(28r+21)-2r-(-30r-7)+14=0

We add all the numbers together, and all the variables

-2r-(28r+21)-(-30r-7)+14=0

We get rid of parentheses

-2r-28r+30r-21+7+14=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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