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Answer :

Step-by-step explanation:

4x - 9 = 11

4x=11+9

4x=20

x=20/4

x=5

Answer:

[tex]4x - 9 = 11 \\ 4x = 11 + 9 \\ 4x = 20 \\ x = \frac{20}{4} \\ x = 5[/tex]