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x in (-oo:+oo)
2*x+1/5 = -(6*x)-39/5 // + -(6*x)-39/5
2*x+6*x+1/5-(-39/5) = 0
2*x+6*x+1/5+39/5 = 0
8*x+8 = 0 // - 8
8*x = -8 // : 8
x = -8/8
x = -1
x = -1
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