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(-5*x^1)/2 = 19/2 // - 19/2
(-5*x^1)/2-(19/2) = 0
(-5*x)/2-19/2 = 0
-5/2*x-19/2 = 0 // + 19/2
-5/2*x = 19/2 // : -5/2
x = 19/2/(-5/2)
x = -19/5
x = -19/5
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