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x in (-oo:+oo)
(1/2)*x = 37/5 // - 37/5
(1/2)*x-(37/5) = 0
(1/2)*x-37/5 = 0
1/2*x-37/5 = 0 // + 37/5
1/2*x = 37/5 // : 1/2
x = 37/5/1/2
x = 74/5
x = 74/5
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