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5/3-((9*x)/7) = -1/12 // + -1/12
5/3-((9*x)/7)-(-1/12) = 0
(-9/7)*x+5/3+1/12 = 0
7/4-9/7*x = 0 // - 7/4
-9/7*x = -7/4 // : -9/7
x = -7/4/(-9/7)
x = 49/36
x = 49/36
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