rational expessions 7/3-8/12x-8
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algebra-rational expressions.
You have posted a (probably) rational expression without a questions. It is not clear where you need help, and what you are required to do.
Also, when you post an algebraic expression, you need to insert parentheses whenever you have a multi-term expression in the numerator or denominator.
7/3-8/12x-8
could mean:
7/(3-(8/12x)-8), or
(7/3)-(8/12x)-8, or
(7/3) - 8/(12x-8), or
almost anything else.