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?

Answer :

mariamikayla mariamikayla

05-09-2014

[tex]4x-9=2x+11 \\ \\ 4x-2x=11+9 \\ \\ 2x=20 \\ \\ \boxed{x=\frac{20}{2}=10}[/tex]

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