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(2/3)*x+8 = 42/5 // - 42/5
(2/3)*x-(42/5)+8 = 0
(2/3)*x-42/5+8 = 0
2/3*x-2/5 = 0 // + 2/5
2/3*x = 2/5 // : 2/3
x = 2/5/2/3
x = 3/5
x = 3/5
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