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(4/5)*x+8/5 = (8/3)*x+43/15+1/3 // - (8/3)*x+43/15+1/3
(4/5)*x-((8/3)*x)+8/5-(43/15)-(1/3) = 0
(4/5)*x+(-8/3)*x+8/5-43/15-1/3 = 0
-28/15*x-8/5 = 0 // + 8/5
-28/15*x = 8/5 // : -28/15
x = 8/5/(-28/15)
x = -6/7
x = -6/7
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