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a in (-oo:+oo)
2*a = 34-(3/2) // - 34-(3/2)
2*a+3/2-34 = 0
2*a-65/2 = 0 // + 65/2
2*a = 65/2 // : 2
a = 65/2/2
a = 65/4
a = 65/4
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