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(7/3)*x = 25/2 // - 25/2
(7/3)*x-(25/2) = 0
(7/3)*x-25/2 = 0
7/3*x-25/2 = 0 // + 25/2
7/3*x = 25/2 // : 7/3
x = 25/2/7/3
x = 75/14
x = 75/14
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