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bellakessa
bellakessa bellakessa
  • 05-09-2014
  • Mathematics
Answered

Nine less than 4 times a number is the same as twice the number increased by 11. What is the unknown number?

Verified Answer :

mariamikayla
mariamikayla mariamikayla
  • 05-09-2014

\(4x-9=2x+11 \\ \\ 4x-2x=11+9 \\ \\ 2x=20 \\ \\ \boxed{x=\frac{20}{2}=10}\)

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