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(7*x)/5 = 42/3 // - 42/3
(7*x)/5-(42/3) = 0
(7*x)/5-14 = 0
7/5*x-14 = 0 // + 14
7/5*x = 14 // : 7/5
x = 14/7/5
x = 10
x = 10
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