heyher
heyher heyher
  • 28-04-2017
  • Mathematics
contestada

Help this is soo confusing I want helpp

Help this is soo confusing I want helpp class=

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bianna02prado
bianna02prado bianna02prado
  • 28-04-2017
switch sides of your problem so it would look like 
r       -5=-4
20
multiply both sides by twenty 
after that it would look like r-100=-80
then add 100 to both of your sides
then after your answer would be r=20
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