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-7*x-(5/3) = 4-((36/7)*x) // - 4-((36/7)*x)
(36/7)*x-7*x-(5/3)-4 = 0
(36/7)*x-7*x-5/3-4 = 0
-13/7*x-17/3 = 0 // + 17/3
-13/7*x = 17/3 // : -13/7
x = 17/3/(-13/7)
x = -119/39
x = -119/39
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