royaltykane royaltykane
  • 07-10-2016
  • Mathematics
contestada

which value of b from the set {10,11,12} makes this question true?

55 - 3b = 19

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apologiabiology
apologiabiology apologiabiology
  • 07-10-2016
solve

55-3b=19
minus 55 both sides
-3b=-36
divide both sides by -3
b=12

the value of b is 12
Answer Link
mariapink903
mariapink903 mariapink903
  • 07-10-2016
55-3(12)=19
first multiply and then subtract  
Answer Link

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