Seudónimo Seudónimo
  • 12-09-2017
  • Mathematics
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4 times a number is increased by 15, the answer is the same as
when 70 is decreased by the number

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Ripsidus
Ripsidus Ripsidus
  • 12-09-2017
x*4+15=70-x
5x=55
x=11
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