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x in (-oo:+oo)
3*x = -34/8 // + -34/8
3*x-(-34/8) = 0
3*x+17/4 = 0
3*x+17/4 = 0 // - 17/4
3*x = -17/4 // : 3
x = -17/4/3
x = -17/12
x = -17/12
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