數學 solve the equation, thanks

As follow AS~~~

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-5/12-3/4=2x-x/3

-14/12=5x/3

-14/4=5x

x=-7/10

x/3 - 5/12 = 3/4 +2x

4x - 5/12 = 9 + 24x/12

12 * (4x - 5/12) = 12 * (9 + 24x/12)

4x - 5 = 9 + 24x

-28x = 14

x = -1/2