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a in (-oo:+oo)
a/14 = 6.8 // - 6.8
a/14-6.8 = 0
1/14*a-6.8 = 0 // + 6.8
1/14*a = 6.8 // : 1/14
a = 6.8/1/14
a = 95.2000019
a = 95.2000019
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