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5/3-((8*x)/7) = -1/12 // + -1/12
5/3-((8*x)/7)-(-1/12) = 0
(-8/7)*x+5/3+1/12 = 0
7/4-8/7*x = 0 // - 7/4
-8/7*x = -7/4 // : -8/7
x = -7/4/(-8/7)
x = 49/32
x = 49/32
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