Lightning1015 Lightning1015
  • 09-10-2016
  • Mathematics
contestada

a number decreased by 30 is the same as 14 minus 3 times the number. What is the number?

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SamreenAmdani SamreenAmdani
  • 09-10-2016
the number is 11

x = the number
x - 30 = 14 - 3x
+3x            +3x
4x - 30 = 14
+30         +30 
4x = 44
/4     /4
x = 11
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