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(16/5)*x-((40/3)*x) = 19/75 // - 19/75
(16/5)*x-((40/3)*x)-(19/75) = 0
(16/5)*x+(-40/3)*x-19/75 = 0
-152/15*x-19/75 = 0 // + 19/75
-152/15*x = 19/75 // : -152/15
x = 19/75/(-152/15)
x = -1/40
x = -1/40
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