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(1/2)*x-(8/5) = -2/3 // + -2/3
(1/2)*x-(8/5)-(-2/3) = 0
(1/2)*x-8/5+2/3 = 0
1/2*x-14/15 = 0 // + 14/15
1/2*x = 14/15 // : 1/2
x = 14/15/1/2
x = 28/15
x = 28/15
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