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3x-2x-5/4+3/3 = 13
x-5/4+1=13
x-5/4-12
3x-2x-5/4+1 = 13
x-5/4+4/4 = 13
x-9/4 = 13
x = 13×4/9
x = 52/9
x = 5 7/9