YooItsYaBoy YooItsYaBoy
  • 09-10-2017
  • Mathematics
contestada

Three times the sum of a number and 4 is 8 less than one-half the number.

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Tiffani906241
Tiffani906241 Tiffani906241
  • 10-10-2017
x=8

3(x+4)=1/2x-8
distribute
3x+12=1/2x-8
subtract 1/2x from both sides
2 1/2x+12=-8
subtract 12 from both sides
2 1/2x=-20
divide 2 1/2
x=8
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