21<2x+3 help fast please

x > 9

Explanation:

21 < 2x + 3

Subtract 3 from both side

21 —3 < 2x + 3 —3

18 < 2x

Divide both side by the coefficient of x i.e 2

18/2 < x

9 < x

Since 9 is less than x, it therefore means that x is grater that 9.

x > 9

the answer would be c

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