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-((5/7)*x)-3/2 = 8/3 // - 8/3
-((5/7)*x)-3/2-(8/3) = 0
(-5/7)*x-3/2-8/3 = 0
-5/7*x-25/6 = 0 // + 25/6
-5/7*x = 25/6 // : -5/7
x = 25/6/(-5/7)
x = -35/6
x = -35/6
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