Geometry

what is the value of x in the diagram?
A. 1/2
B. 4/21
C. 2
D. 4
The fractions for cross multiplication are 9/4x-2 and 12/3x+2
I tried to do it but it was not an answer and i dont know what i did wrong

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  1. Hard to say what you did wrong, since you didn't show your work.

    First, learn to use parentheses:

    9/(4x-2) = 12/(3x+2)
    9(3x+2) = 12(4x-2)
    27x+18 = 48x-24
    21x = 42
    x = 2

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  2. but how did you get to 21x=42 i dont get what you did @Steve

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  3. you cross multiply

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