Anonymous1235
Anonymous1235 Anonymous1235
  • 21-09-2016
  • Mathematics
contestada

5(5r−9)=155 plssssss answer ok thnx

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samuraiez96
samuraiez96 samuraiez96
  • 21-09-2016
5(5r-9)=155 can be written as 25r-45=155. You move -45 to the other side of the equation resulting in 25r=155+45. Finally 25r=200 so r=8.
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Fun1416
Fun1416 Fun1416
  • 21-09-2016
25r - 45 = 155 Subtract 45 25r = 155 Divide by 25 to get x alone r = 6.2
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